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Class 10 Exam  >  Class 10 Tests  >  Science Class 10  >  Test: Acids, Bases & Salts - Class 10 MCQ

Test: Acids, Bases & Salts - Class 10 MCQ


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20 Questions MCQ Test Science Class 10 - Test: Acids, Bases & Salts

Test: Acids, Bases & Salts for Class 10 2024 is part of Science Class 10 preparation. The Test: Acids, Bases & Salts questions and answers have been prepared according to the Class 10 exam syllabus.The Test: Acids, Bases & Salts MCQs are made for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Acids, Bases & Salts below.
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Test: Acids, Bases & Salts - Question 1
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Metallic oxides are           in nature 

Detailed Solution for Test: Acids, Bases & Salts - Question 1
  • Metallic oxides are compounds formed when metals react with oxygen.
  • They typically react with acids to produce salt and water, showcasing their basic nature.
  • For example, when sodium oxide (a metallic oxide) reacts with hydrochloric acid, it forms sodium chloride and water.
  • However, non-metal oxides tend to be acidic, highlighting the distinct behavior of metallic oxides.
Test: Acids, Bases & Salts - Question 2
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When a non-metallic oxide reacts with a base, what is typically formed?

Detailed Solution for Test: Acids, Bases & Salts - Question 2

When a non-metallic oxide reacts with a base, the general outcome is the formation of salt and water. This reaction is crucial in understanding the properties of non-metallic oxides and their behavior when they come into contact with bases. It illustrates the acidic nature of non-metallic oxides and their reactions.

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Test: Acids, Bases & Salts - Question 3
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What is the general chemical equation for the reaction between an acid and a metal hydrogen carbonate?

Detailed Solution for Test: Acids, Bases & Salts - Question 3

The general chemical equation for the reaction between an acid and a metal hydrogen carbonate involves the formation of salt, water, and carbon dioxide. This reaction is characteristic of how acids interact with metal hydrogen carbonates to produce these specific products. Understanding such reactions is fundamental in studying the properties of acids and their behavior in chemical reactions.

Test: Acids, Bases & Salts - Question 4
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What property do acids and bases share that allows them to conduct electricity when dissolved in water?
Detailed Solution for Test: Acids, Bases & Salts - Question 4
Acids and bases can both be classified as electrolytes, which is a property they share that enables them to conduct electricity when dissolved in water. This ability is due to the presence of charged particles (ions) in their aqueous solutions, allowing for the flow of electric current.
Test: Acids, Bases & Salts - Question 5
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In a neutralization reaction between an acid and a base, what are the products formed?
Detailed Solution for Test: Acids, Bases & Salts - Question 5
In a neutralization reaction between an acid and a base, the products formed are salt and water. This reaction involves the combination of hydrogen ions from the acid and hydroxide ions from the base to form water, along with a salt as a product.
Test: Acids, Bases & Salts - Question 6
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What happens to acids when dissolved in water in terms of the ions they produce?
Detailed Solution for Test: Acids, Bases & Salts - Question 6
When acids are dissolved in water, they release hydrogen ions (H⁺) into the solution. These hydrogen ions are responsible for the characteristic properties of acids, such as their sour taste and ability to conduct electricity.
Test: Acids, Bases & Salts - Question 7
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What is the result of a neutralization reaction between a strong acid and a strong base?
Detailed Solution for Test: Acids, Bases & Salts - Question 7
When a strong acid reacts with a strong base in a neutralization reaction, the result is a neutral salt and water. This reaction signifies the completion of the neutralization process where the acidic and basic properties neutralize each other, forming a salt and water.
Test: Acids, Bases & Salts - Question 8
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In a reaction between a weak acid and a weak base, what type of salt is typically formed?
Detailed Solution for Test: Acids, Bases & Salts - Question 8

A salt formed between a weak acid and a weak base can be neutral, acidic, or basic depending on the relative strengths of the acid and base. If Ka(cation) > Kb(anion) the solution of the salt is acidic. If Ka(cation) = Kb(anion) the solution of the salt is neutral.

Test: Acids, Bases & Salts - Question 9
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When a strong acid reacts with a weak base, what is the nature of the resulting solution?
Detailed Solution for Test: Acids, Bases & Salts - Question 9
If a strong acid reacts with a weak base, the resulting solution tends to be acidic. This outcome is due to the dominance of the acidic properties in the reaction. The strength of the acid influences the pH of the solution after the reaction.
Test: Acids, Bases & Salts - Question 10
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When a metallic oxide reacts with an acid, what is typically produced?
Detailed Solution for Test: Acids, Bases & Salts - Question 10
When a metallic oxide reacts with an acid, it typically produces salt and water. This reaction is a common type of chemical reaction where the oxide reacts with the acid to form a salt and water as the products. This process is essential in understanding the chemical properties of oxides and their reactions with acids.
Test: Acids, Bases & Salts - Question 11
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What determines the pH of the solution after a neutralization reaction between an acid and a base?
Detailed Solution for Test: Acids, Bases & Salts - Question 11
The pH of the solution following a neutralization reaction is primarily determined by the strength of the acid and base utilized in the reaction. If a strong acid reacts with a weak base, the resulting solution will be acidic, whereas a strong base reacting with a weak acid will lead to a basic solution. This relationship between acid and base strengths influences the pH of the solution post-reaction.
Test: Acids, Bases & Salts - Question 12
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What is the primary use of bleaching powder in the textile industry and laundry?
Detailed Solution for Test: Acids, Bases & Salts - Question 12
Bleaching powder is primarily used in the textile industry and laundry for whitening soiled clothes. Its bleaching properties make it effective for this purpose, helping to restore the whiteness of fabrics.
Test: Acids, Bases & Salts - Question 13
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Which chemical compound is commonly known as baking soda?
Detailed Solution for Test: Acids, Bases & Salts - Question 13
Baking soda is the common name for sodium bicarbonate, a chemical compound represented by the formula NaHCO3. It is widely used in baking and cooking as a leavening agent and for various household purposes.
Test: Acids, Bases & Salts - Question 14
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What role does baking soda play in reducing stomach acidity?
Detailed Solution for Test: Acids, Bases & Salts - Question 14
Baking soda acts as an antacid by neutralizing excess stomach acid, helping to alleviate symptoms of indigestion and discomfort. It can help to balance pH levels in the stomach and provide relief from acidity.
Test: Acids, Bases & Salts - Question 15
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Which industry commonly utilizes bleaching powder as an oxidizer due to its strong oxidizing abilities?
Detailed Solution for Test: Acids, Bases & Salts - Question 15
The water treatment industry commonly uses bleaching powder as an oxidizer because of its strong oxidizing abilities. It helps in disinfecting water by eliminating harmful microorganisms, making it safe for consumption and other uses.
Test: Acids, Bases & Salts - Question 16
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What is the chemical name for washing soda?
Detailed Solution for Test: Acids, Bases & Salts - Question 16
Washing soda, also known as sodium carbonate, is derived from sodium chloride. It can be produced by heating baking soda, which then can be recrystallized to yield washing soda in its hydrated form. Sodium carbonate, like washing soda, is a basic salt with alkaline properties commonly used in various industries and as a cleaning agent for household purposes.
Test: Acids, Bases & Salts - Question 17
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When salts combine with a specific amount of water and form crystals, what is the water known as?
Detailed Solution for Test: Acids, Bases & Salts - Question 17
The water that combines with salts to form crystals is known as water of crystallization. Crystallization is a process in which a solid substance is formed, with its atoms or molecules arranged in a strong structure called a crystal. Many salts can form crystals when they combine with a specific amount of water, which is an essential part of their structure.
Test: Acids, Bases & Salts - Question 18
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In which industries is washing soda commonly used?
Detailed Solution for Test: Acids, Bases & Salts - Question 18
Washing soda, or sodium carbonate, finds applications in the glass, soap, and paper industries. It is utilized for various purposes in these industries, including as a cleaning agent, in the production of other sodium compounds like borax, and to address the issue of permanent water hardness in different processes.
Test: Acids, Bases & Salts - Question 19
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What process results in the formation of a solid substance with atoms or molecules arranged in a crystal structure?
Detailed Solution for Test: Acids, Bases & Salts - Question 19
Crystallization is the process through which a solid substance is formed, with its atoms or molecules arranged in a crystal structure. This formation can occur through various means such as precipitation from a solution, freezing, or direct deposition from a gas. Crystals can be found in a wide range of materials, including salts like sodium chloride, sugar, and even precious gemstones like diamond and quartz.
Test: Acids, Bases & Salts - Question 20
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What can be said about the pH of a salt formed by a weak acid and a weak base?
Detailed Solution for Test: Acids, Bases & Salts - Question 20
The pH of a salt formed by a weak acid and a weak base cannot be predicted and must be determined through a pH test. Unlike salts formed by strong acids and bases, which have predictable pH values, salts from weak acids and bases require testing to determine their pH level.
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