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All questions of Oxygen and Sulphur for JAMB Exam
Which of the following is the chemical symbol for sulphur?- a)S
- b)Su
- c)Sr
- d)Se
Correct answer is option 'A'. Can you explain this answer?
Which of the following is the chemical symbol for sulphur?
a)
S
b)
Su
c)
Sr
d)
Se
|
Sun Ray Institute answered |
The chemical symbol for sulphur is "S" in the periodic table.
Which oxide is commonly used in bleaching agents and disinfectants?- a)Carbon monoxide (CO)
- b)Nitrogen dioxide (NO2)
- c)Hydrogen peroxide (H2O2)
- d)Sulfur dioxide (SO2)
Correct answer is option 'C'. Can you explain this answer?
Which oxide is commonly used in bleaching agents and disinfectants?
a)
Carbon monoxide (CO)
b)
Nitrogen dioxide (NO2)
c)
Hydrogen peroxide (H2O2)
d)
Sulfur dioxide (SO2)
|
|
Sun Ray Institute answered |
Hydrogen peroxide is an oxide of oxygen that is commonly used as a bleaching agent for hair and textiles. It also acts as a disinfectant due to its ability to kill bacteria and other microorganisms.
Which oxide is responsible for acid rain?- a)Carbon monoxide (CO)
- b)Nitrogen dioxide (NO2)
- c)Sulfur dioxide (SO2)
- d)Water vapor (H2O)
Correct answer is option 'C'. Can you explain this answer?
Which oxide is responsible for acid rain?
a)
Carbon monoxide (CO)
b)
Nitrogen dioxide (NO2)
c)
Sulfur dioxide (SO2)
d)
Water vapor (H2O)
|
|
Sun Ray Institute answered |
Sulfur dioxide is a gaseous oxide produced by the burning of fossil fuels containing sulfur impurities. It reacts with water in the atmosphere to form sulfuric acid, which contributes to acid rain.
Which of the following is not an allotrope of sulfur?- a)Rhombic sulfur
- b)Monoclinic sulfur
- c)Amorphous sulfur
- d)Graphite sulfur
Correct answer is option 'D'. Can you explain this answer?
Which of the following is not an allotrope of sulfur?
a)
Rhombic sulfur
b)
Monoclinic sulfur
c)
Amorphous sulfur
d)
Graphite sulfur
|
|
Sun Ray Institute answered |
Sulfur has several allotropes, including rhombic sulfur, monoclinic sulfur, and amorphous sulfur. However, graphite sulfur is not an allotrope of sulfur. Graphite is a form of carbon and does not contain sulfur.
What is the use of sulfur in vulcanization?- a)Preserving food
- b)Enhancing plant growth
- c)Making explosives
- d)Strengthening rubber
Correct answer is option 'D'. Can you explain this answer?
What is the use of sulfur in vulcanization?
a)
Preserving food
b)
Enhancing plant growth
c)
Making explosives
d)
Strengthening rubber
|
|
Sun Ray Institute answered |
Sulfur is utilized in the vulcanization process, which strengthens rubber by forming cross-links between polymer chains. Vulcanized rubber exhibits improved elasticity, durability, and resistance to heat and abrasion.
Sulfur dioxide (SO2) is commonly used in which industry?- a)Textile manufacturing
- b)Food preservation
- c)Semiconductor production
- d)Glassmaking
Correct answer is option 'D'. Can you explain this answer?
Sulfur dioxide (SO2) is commonly used in which industry?
a)
Textile manufacturing
b)
Food preservation
c)
Semiconductor production
d)
Glassmaking
|
|
Sun Ray Institute answered |
Sulfur dioxide (SO2) is used in the glassmaking industry. It acts as a reducing agent and helps remove impurities from the molten glass, resulting in clearer and more transparent glass.
Sulphur is an important component in which type of rocks?- a)Igneous rocks
- b)Sedimentary rocks
- c)Metamorphic rocks
- d)None of the above
Correct answer is option 'B'. Can you explain this answer?
Sulphur is an important component in which type of rocks?
a)
Igneous rocks
b)
Sedimentary rocks
c)
Metamorphic rocks
d)
None of the above
|
|
Sun Ray Institute answered |
Sulphur is commonly found in sedimentary rocks, including gypsum and pyrite.
Which of the following is a common use of sulphur?- a)Battery production
- b)Fuel for cars
- c)Building materials
- d)Fertilizer manufacturing
Correct answer is option 'D'. Can you explain this answer?
Which of the following is a common use of sulphur?
a)
Battery production
b)
Fuel for cars
c)
Building materials
d)
Fertilizer manufacturing
|
|
Sun Ray Institute answered |
Sulphur is widely used in the production of fertilizers, particularly as a component of sulphuric acid.
Which of the following substances has a characteristic smell similar to rotten eggs?- a)Sulphuric acid
- b)Sulphur dioxide
- c)Sulphur hexafluoride
- d)Sodium sulphate
Correct answer is option 'B'. Can you explain this answer?
Which of the following substances has a characteristic smell similar to rotten eggs?
a)
Sulphuric acid
b)
Sulphur dioxide
c)
Sulphur hexafluoride
d)
Sodium sulphate
|
|
Sun Ray Institute answered |
Sulphur dioxide has a pungent odor similar to that of rotten eggs.
Which compound is commonly used as an oxygen source in emergency situations?- a)Nitrous oxide
- b)Carbon monoxide
- c)Hydrogen peroxide
- d)Sulfur dioxide
Correct answer is option 'C'. Can you explain this answer?
Which compound is commonly used as an oxygen source in emergency situations?
a)
Nitrous oxide
b)
Carbon monoxide
c)
Hydrogen peroxide
d)
Sulfur dioxide
|
|
Sun Ray Institute answered |
Hydrogen peroxide (H2O2) is commonly used as an oxygen source in emergency situations. It decomposes to release oxygen gas when it comes into contact with a catalyst.
Oxygen supports combustion because it:- a)Increases the temperature of the reactants
- b)Reacts with flammable substances
- c)Enhances the supply of fuel
- d)Decreases the activation energy
Correct answer is option 'B'. Can you explain this answer?
Oxygen supports combustion because it:
a)
Increases the temperature of the reactants
b)
Reacts with flammable substances
c)
Enhances the supply of fuel
d)
Decreases the activation energy
|
|
Sun Ray Institute answered |
Oxygen supports combustion by reacting with flammable substances, providing the necessary oxygen for the reaction to occur.
Which compound is commonly used as an oxidizing agent due to its ability to release oxygen?- a)Carbon dioxide
- b)Nitrogen dioxide
- c)Potassium permanganate
- d)Sulfur hexafluoride
Correct answer is option 'C'. Can you explain this answer?
Which compound is commonly used as an oxidizing agent due to its ability to release oxygen?
a)
Carbon dioxide
b)
Nitrogen dioxide
c)
Potassium permanganate
d)
Sulfur hexafluoride
|
|
Sun Ray Institute answered |
Potassium permanganate (KMnO4) is commonly used as an oxidizing agent because it can release oxygen in certain reactions.
Which allotrope of sulfur is also known as "plastic sulfur"?- a)Rhombic sulfur
- b)Monoclinic sulfur
- c)Amorphous sulfur
- d)Liquid sulfur
Correct answer is option 'C'. Can you explain this answer?
Which allotrope of sulfur is also known as "plastic sulfur"?
a)
Rhombic sulfur
b)
Monoclinic sulfur
c)
Amorphous sulfur
d)
Liquid sulfur
|
|
Sun Ray Institute answered |
Amorphous sulfur is commonly referred to as "plastic sulfur." It is a non-crystalline form of sulfur that can be easily molded or shaped when heated.
The laboratory preparation of oxygen gas can be achieved by heating:- a)Ammonium nitrate
- b)Sodium chloride
- c)Sodium carbonate
- d)Potassium sulfate
Correct answer is option 'A'. Can you explain this answer?
The laboratory preparation of oxygen gas can be achieved by heating:
a)
Ammonium nitrate
b)
Sodium chloride
c)
Sodium carbonate
d)
Potassium sulfate
|
|
Sun Ray Institute answered |
Ammonium nitrate (NH4NO3) can be heated to produce oxygen gas, nitrogen gas, and water vapor. The decomposition reaction is commonly used in the laboratory for the preparation of oxygen.
Which method is commonly used to separate oxygen from air in industries?- a)Filtration
- b)Evaporation
- c)Electrolysis
- d)Fractional distillation
Correct answer is option 'D'. Can you explain this answer?
Which method is commonly used to separate oxygen from air in industries?
a)
Filtration
b)
Evaporation
c)
Electrolysis
d)
Fractional distillation
|
|
Sun Ray Institute answered |
Fractional distillation is the method commonly used to separate oxygen from air in industries. It takes advantage of the different boiling points of gases in air to obtain pure oxygen.
Sulphur is commonly found in which state at room temperature?- a)Solid
- b)Liquid
- c)Gas
- d)Plasma
Correct answer is option 'A'. Can you explain this answer?
Sulphur is commonly found in which state at room temperature?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
|
|
Sun Ray Institute answered |
Sulphur exists as a yellow solid at room temperature and atmospheric pressure.
What is the primary use of sulfur in the production of sulfuric acid?- a)Fertilizer production
- b)Medicinal applications
- c)Battery manufacturing
- d)Industrial chemical synthesis
Correct answer is option 'D'. Can you explain this answer?
What is the primary use of sulfur in the production of sulfuric acid?
a)
Fertilizer production
b)
Medicinal applications
c)
Battery manufacturing
d)
Industrial chemical synthesis
|
|
Sun Ray Institute answered |
Sulfur is extensively used in the production of sulfuric acid, which is a vital industrial chemical. Sulfuric acid is used in various industrial processes such as the production of fertilizers, dyes, detergents, and pharmaceuticals.
Which process involves the reaction of a metal oxide with carbon to produce oxygen gas?- a)Photosynthesis
- b)Electrolysis
- c)Thermal decomposition
- d)Combustion
Correct answer is option 'C'. Can you explain this answer?
Which process involves the reaction of a metal oxide with carbon to produce oxygen gas?
a)
Photosynthesis
b)
Electrolysis
c)
Thermal decomposition
d)
Combustion
|
|
Sun Ray Institute answered |
Thermal decomposition involves the breakdown of a compound by heating it. In this case, the metal oxide reacts with carbon to produce oxygen gas.
Oxygen is commercially prepared by which method?- a)Electrolysis of water
- b)Fractional distillation of air
- c)Reaction of hydrogen peroxide with a catalyst
- d)Decomposition of potassium chlorate
Correct answer is option 'B'. Can you explain this answer?
Oxygen is commercially prepared by which method?
a)
Electrolysis of water
b)
Fractional distillation of air
c)
Reaction of hydrogen peroxide with a catalyst
d)
Decomposition of potassium chlorate
|
|
Sun Ray Institute answered |
Oxygen is commercially prepared by the fractional distillation of air. This method takes advantage of the different boiling points of gases in air to separate and collect oxygen.
Which of the following is a medicinal use of sulfur?- a)Treatment of acne
- b)Flavor enhancer
- c)Catalyst in chemical reactions
- d)Corrosion prevention
Correct answer is option 'A'. Can you explain this answer?
Which of the following is a medicinal use of sulfur?
a)
Treatment of acne
b)
Flavor enhancer
c)
Catalyst in chemical reactions
d)
Corrosion prevention
|
|
Sun Ray Institute answered |
Sulfur is used in the treatment of acne due to its antibacterial and keratolytic properties. It helps to control excess oil production, unclog pores, and reduce inflammation, thus aiding in the treatment of acne.
Which allotrope of sulfur is used in matches?- a)Rhombic sulfur
- b)Monoclinic sulfur
- c)Amorphous sulfur
- d)Liquid sulfur
Correct answer is option 'C'. Can you explain this answer?
Which allotrope of sulfur is used in matches?
a)
Rhombic sulfur
b)
Monoclinic sulfur
c)
Amorphous sulfur
d)
Liquid sulfur
|
|
Sun Ray Institute answered |
Amorphous sulfur, also known as plastic sulfur, is used in matchstick heads. When ignited, amorphous sulfur reacts with other components to create a flame.
Sulphur is an important element in which amino acid?- a)Methionine
- b)Glycine
- c)Leucine
- d)Serine
Correct answer is option 'A'. Can you explain this answer?
Sulphur is an important element in which amino acid?
a)
Methionine
b)
Glycine
c)
Leucine
d)
Serine
|
|
Sun Ray Institute answered |
Sulphur is present in the amino acid methionine, an essential amino acid required for protein synthesis.
Which of the following methods is NOT used for the preparation of oxygen?- a)Electrolysis of water
- b)Thermal decomposition of metal carbonates
- c)Reaction of an acid with a metal
- d)Reaction of hydrogen peroxide with a catalyst
Correct answer is option 'C'. Can you explain this answer?
Which of the following methods is NOT used for the preparation of oxygen?
a)
Electrolysis of water
b)
Thermal decomposition of metal carbonates
c)
Reaction of an acid with a metal
d)
Reaction of hydrogen peroxide with a catalyst
|
|
Sun Ray Institute answered |
Oxygen is not prepared by reacting an acid with a metal. This reaction typically produces hydrogen gas.
Which oxide is responsible for the greenhouse effect?- a)Carbon monoxide (CO)
- b)Nitrogen dioxide (NO2)
- c)Carbon dioxide (CO2)
- d)Water vapor (H2O)
Correct answer is option 'C'. Can you explain this answer?
Which oxide is responsible for the greenhouse effect?
a)
Carbon monoxide (CO)
b)
Nitrogen dioxide (NO2)
c)
Carbon dioxide (CO2)
d)
Water vapor (H2O)
|
|
Sun Ray Institute answered |
Carbon dioxide is a greenhouse gas that is released into the atmosphere through human activities such as burning fossil fuels. It traps heat from the sun, contributing to the greenhouse effect and global warming.
Which allotrope of sulfur is thermodynamically stable at room temperature?- a)Rhombic sulfur
- b)Monoclinic sulfur
- c)Amorphous sulfur
- d)Liquid sulfur
Correct answer is option 'B'. Can you explain this answer?
Which allotrope of sulfur is thermodynamically stable at room temperature?
a)
Rhombic sulfur
b)
Monoclinic sulfur
c)
Amorphous sulfur
d)
Liquid sulfur
|
|
Sun Ray Institute answered |
Monoclinic sulfur is the thermodynamically stable allotrope of sulfur at room temperature. It is a dense, yellow crystalline form of sulfur and transitions to rhombic sulfur at temperatures above 96°C.
Which oxide is used in fire extinguishers?- a)Carbon monoxide (CO)
- b)Nitrogen dioxide (NO2)
- c)Sulfur dioxide (SO2)
- d)Carbon dioxide (CO2)
Correct answer is option 'D'. Can you explain this answer?
Which oxide is used in fire extinguishers?
a)
Carbon monoxide (CO)
b)
Nitrogen dioxide (NO2)
c)
Sulfur dioxide (SO2)
d)
Carbon dioxide (CO2)
|
|
Sun Ray Institute answered |
Carbon dioxide is commonly used in fire extinguishers because it is non-flammable and displaces oxygen, effectively smothering the fire by removing its oxygen supply.
Which oxide is responsible for the formation of acid rain when combined with water vapor in the atmosphere?- a)Carbon monoxide (CO)
- b)Nitric oxide (NO)
- c)Nitrogen dioxide (NO2)
- d)Nitrous oxide (N2O)
Correct answer is option 'C'. Can you explain this answer?
Which oxide is responsible for the formation of acid rain when combined with water vapor in the atmosphere?
a)
Carbon monoxide (CO)
b)
Nitric oxide (NO)
c)
Nitrogen dioxide (NO2)
d)
Nitrous oxide (N2O)
|
|
Sun Ray Institute answered |
Nitrogen dioxide reacts with water vapor in the atmosphere to form nitric acid, contributing to the formation of acid rain. It is primarily produced through the combustion of fossil fuels.
Which oxide is responsible for the sharp, pungent smell associated with chlorine?- a)Carbon monoxide (CO)
- b)Nitrogen dioxide (NO2)
- c)Carbon dioxide (CO2)
- d)Chlorine dioxide (ClO2)
Correct answer is option 'D'. Can you explain this answer?
Which oxide is responsible for the sharp, pungent smell associated with chlorine?
a)
Carbon monoxide (CO)
b)
Nitrogen dioxide (NO2)
c)
Carbon dioxide (CO2)
d)
Chlorine dioxide (ClO2)
|
|
Sun Ray Institute answered |
Chlorine dioxide is an oxide of chlorine that has a sharp, pungent odor. It is often used as a disinfectant and has a distinctive smell similar to chlorine.
Which oxide is essential for photosynthesis in plants?- a)Carbon monoxide (CO)
- b)Nitrogen dioxide (NO2)
- c)Carbon dioxide (CO2)
- d)Water vapor (H2O)
Correct answer is option 'C'. Can you explain this answer?
Which oxide is essential for photosynthesis in plants?
a)
Carbon monoxide (CO)
b)
Nitrogen dioxide (NO2)
c)
Carbon dioxide (CO2)
d)
Water vapor (H2O)
|
|
Sun Ray Institute answered |
Carbon dioxide is essential for photosynthesis in plants. During photosynthesis, plants absorb carbon dioxide from the atmosphere and use it along with sunlight and water to produce glucose and release oxygen.
Which oxide is commonly used as a reducing agent in metallurgical processes?- a)Carbon monoxide (CO)
- b)Nitrogen dioxide (NO2)
- c)Sulfur dioxide (SO2)
- d)Hydrogen peroxide (H2O2)
Correct answer is option 'A'. Can you explain this answer?
Which oxide is commonly used as a reducing agent in metallurgical processes?
a)
Carbon monoxide (CO)
b)
Nitrogen dioxide (NO2)
c)
Sulfur dioxide (SO2)
d)
Hydrogen peroxide (H2O2)
|
|
Sun Ray Institute answered |
Carbon monoxide is a commonly used reducing agent in metallurgical processes such as iron smelting. It reacts with metal oxides, reducing them to the pure metal form.
Which oxide is responsible for the distinct smell associated with rotten eggs?- a)Carbon monoxide (CO)
- b)Nitrogen dioxide (NO2)
- c)Sulfur dioxide (SO2)
- d)Hydrogen peroxide (H2O2)
Correct answer is option 'C'. Can you explain this answer?
Which oxide is responsible for the distinct smell associated with rotten eggs?
a)
Carbon monoxide (CO)
b)
Nitrogen dioxide (NO2)
c)
Sulfur dioxide (SO2)
d)
Hydrogen peroxide (H2O2)
|
|
Sun Ray Institute answered |
Sulfur dioxide has a pungent odor similar to that of rotten eggs. It is often produced by the burning of fossil fuels containing sulfur impurities and is associated with the smell of industrial pollution.
Which process is used to extract sulphur from underground deposits?- a)Smelting
- b)Electrolysis
- c)Fracking
- d)Sublimation
Correct answer is option 'A'. Can you explain this answer?
Which process is used to extract sulphur from underground deposits?
a)
Smelting
b)
Electrolysis
c)
Fracking
d)
Sublimation
|
|
Sun Ray Institute answered |
Sulphur is extracted from underground deposits through a process called smelting, which involves heating the sulphur-containing rocks to release the element.
Oxygen gas is collected over water because:- a)Oxygen gas is soluble in water
- b)Water helps in the purification of oxygen gas
- c)Oxygen gas is lighter than water vapor
- d)Water prevents the oxidation of oxygen gas
Correct answer is option 'A'. Can you explain this answer?
Oxygen gas is collected over water because:
a)
Oxygen gas is soluble in water
b)
Water helps in the purification of oxygen gas
c)
Oxygen gas is lighter than water vapor
d)
Water prevents the oxidation of oxygen gas
|
|
Sun Ray Institute answered |
Oxygen gas is sparingly soluble in water. When it is collected over water, any dissolved oxygen will be released, ensuring that the gas collected is pure.
Which of the following is an allotrope of oxygen?- a)Ozone (O3)
- b)Carbon dioxide (CO2)
- c)Nitrous oxide (N2O)
- d)Hydrogen peroxide (H2O2)
Correct answer is option 'A'. Can you explain this answer?
Which of the following is an allotrope of oxygen?
a)
Ozone (O3)
b)
Carbon dioxide (CO2)
c)
Nitrous oxide (N2O)
d)
Hydrogen peroxide (H2O2)
|
|
Sun Ray Institute answered |
Ozone is an allotrope of oxygen that consists of three oxygen atoms bonded together. It is formed in the upper atmosphere by the action of ultraviolet light on oxygen molecules.
What is the primary application of sulfur in the petroleum industry?- a)Fuel production
- b)Lubricant manufacturing
- c)Explosive synthesis
- d)Desulfurization processes
Correct answer is option 'D'. Can you explain this answer?
What is the primary application of sulfur in the petroleum industry?
a)
Fuel production
b)
Lubricant manufacturing
c)
Explosive synthesis
d)
Desulfurization processes
|
|
Sun Ray Institute answered |
Sulfur is used in desulfurization processes in the petroleum industry to remove sulfur compounds from fuels. This helps reduce the emission of harmful sulfur oxides during combustion.
Which of the following is NOT a physical property of oxygen gas?- a)Colorless and odorless
- b)Supports combustion
- c)Slightly soluble in water
- d)Reacts with metals to form oxides
Correct answer is option 'D'. Can you explain this answer?
Which of the following is NOT a physical property of oxygen gas?
a)
Colorless and odorless
b)
Supports combustion
c)
Slightly soluble in water
d)
Reacts with metals to form oxides
|
|
Sun Ray Institute answered |
Reacting with metals to form oxides is a chemical property of oxygen, not a physical property.
Which allotrope of sulfur is commonly known as "flowers of sulfur"?- a)Rhombic sulfur
- b)Monoclinic sulfur
- c)Amorphous sulfur
- d)Precious sulfur
Correct answer is option 'A'. Can you explain this answer?
Which allotrope of sulfur is commonly known as "flowers of sulfur"?
a)
Rhombic sulfur
b)
Monoclinic sulfur
c)
Amorphous sulfur
d)
Precious sulfur
|
|
Sun Ray Institute answered |
Rhombic sulfur is commonly referred to as "flowers of sulfur." It is a yellow crystalline solid that resembles tiny flowers or powder. Rhombic sulfur is one of the most stable allotropes of sulfur.
Sulphur dioxide (SO2) is a product of which process?- a)Photosynthesis
- b)Respiration
- c)Combustion of fossil fuels
- d)Fermentation
Correct answer is option 'C'. Can you explain this answer?
Sulphur dioxide (SO2) is a product of which process?
a)
Photosynthesis
b)
Respiration
c)
Combustion of fossil fuels
d)
Fermentation
|
|
Sun Ray Institute answered |
Sulphur dioxide is released during the combustion of fossil fuels, such as coal and oil, which contain sulphur impurities.
Which of the following compounds contains sulphur?- a)Water (H2O)
- b)Carbon dioxide (CO2)
- c)Sulphuric acid (H2SO4)
- d)Methane (CH4)
Correct answer is option 'C'. Can you explain this answer?
Which of the following compounds contains sulphur?
a)
Water (H2O)
b)
Carbon dioxide (CO2)
c)
Sulphuric acid (H2SO4)
d)
Methane (CH4)
|
|
Sun Ray Institute answered |
Sulphuric acid is a compound that contains sulphur in its formula, represented by the symbol "S" in H2SO4.
Which of the following compounds is commonly used as a fungicide in agriculture?- a)Sulphur dioxide
- b)Sulphur hexafluoride
- c)Sulphuric acid
- d)Elemental sulphur
Correct answer is option 'D'. Can you explain this answer?
Which of the following compounds is commonly used as a fungicide in agriculture?
a)
Sulphur dioxide
b)
Sulphur hexafluoride
c)
Sulphuric acid
d)
Elemental sulphur
|
|
Sun Ray Institute answered |
Elemental sulphur is commonly used as a fungicide in agriculture to control various fungal diseases in crops and plants.
Chapter doubts & questions for Oxygen and Sulphur - Chemistry for JAMB 2025 is part of JAMB exam preparation. The chapters have been prepared according to the JAMB exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for JAMB 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.
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Chemistry for JAMB
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