Explore Exams
Login Signup
Sign in Open App
SSC CGL Exam  >  SSC CGL Tests  >  SSC CGL Previous Year Papers  >  Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - SSC CGL MCQ

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - SSC CGL MCQ


Test Description

30 Questions MCQ Test SSC CGL Previous Year Papers - Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 for SSC CGL 2025 is part of SSC CGL Previous Year Papers preparation. The Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 questions and answers have been prepared according to the SSC CGL exam syllabus.The Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 MCQs are made for SSC CGL 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 below.
Solutions of Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 questions in English are available as part of our SSC CGL Previous Year Papers for SSC CGL & Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 solutions in Hindi for SSC CGL Previous Year Papers course. Download more important topics, notes, lectures and mock test series for SSC CGL Exam by signing up for free. Attempt Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 | 100 questions in 60 minutes | Mock test for SSC CGL preparation | Free important questions MCQ to study SSC CGL Previous Year Papers for SSC CGL Exam | Download free PDF with solutions
Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 1
Save

What is the product of the reaction when anhydrite undergoes hydration?
[SSC CHSL 03/08/2023 (1st shift)]

Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 1

Gypsum (CaSO4·2H2O): Calcium sulphate (CaSO4) and water (H2O) make up gypsum. Limonite forms through the weathering of iron-bearing minerals such as pyrite, magnetite, and hematite under conditions of low temperature and low oxygen. Uses - Pigment, Cement, Soil conditioner, Water treatment, Scientific research. Magnesite is formed when magnesium-rich rocks are altered by metamorphism or chemical weathering. Used as a binding agent in flooring. Kaolin is a rock from which the clay mineral kaolinite is derived. Used as the principal ingredient in porcelain tableware.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 2
Save

Anant's mother advised him to not sleep under the trees at night as trees release _______ at night.
[SSC CHSL 10/03/2023 (4th Shift)]

Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 2

Carbon Dioxide (CO2). During the day plants take in carbon dioxide (CO2) and release oxygen through photosynthesis and at night carbon dioxide (CO2) is released through respiration. Exception: Snake plant, Areca palm plant, Aloe Vera plant, Tulsi, Neem plant, Peepal Tree, etc.

Clear all your doubts with EduRev
Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 3
Save

Silicon dioxide is found mostly in which of the following?
[SSC CHSL 13/03/2023 (3rd Shift)]

Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 3

Sand. Slaked lime or calcium hydroxide, Ca(OH)2 : Soluble in glycerol, high melting point (580° C), used in the paper industry, Pesticides. Silicon Dioxide or Silica, (SiO2) : Major constituent of Sand, used in food additives.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 4
Save

An isotope of which of the following is used in the treatment of cancer?
[SSC CHSL 17/03/2023 (3rd Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 4

Cobalt (Atomic number - 27). Isotopes - Same atomic number but different mass numbers. Example - Isotopes of hydrogen - protium 1H1 , deuterium 1H2 or and tritium 1H3 . Isobars are atoms of different elements with different atomic numbers but have the same mass number. Example of a pair of isobar i.e.,40Ca20 and 40Ar18.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 5
Save

In what form is the energy derived from the food that we eat is stored in our body?
[SSC CGL 01/12/2022 (3rd Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 5

Glycogen (polysaccharide of glucose ; C24H42O21). Maltose (C12H22O11) is a disaccharide consisting of two units of glucose. Glucose (C6H12O6) is a simple sugar monosaccharide having two isoforms, alpha and beta. Starch {(C6H10O5)n} is a polysaccharide produced by most green plants for energy storage.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 6
Save

Identify a dark-coloured amorphous substance that is highly resistant to microbial action and undergoes decomposition at an extremely slow rate.
[SSC CGL 06/12/2022 (2nd Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 6

Humus. Chitin is the most abundant amino polysaccharide polymer occurring in nature. Chitin exists in the shells of arthropods such as crabs, shrimps, and insects. Carotenoids are pigments that give yellow, orange, and red fruits and vegetables their color. Our body is able to convert some carotenoids into vitamin A.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 7
Save

Which of the following is used in photography?
[SSC CGL 05/12/2022 (1st Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 7

Sodium thiosulphate (Na2S2O3) is used in photography to remove undecomposed AgBr as a soluble silver thiosulphate complex. It is also an antidote against cyanide poisoning and used for dechlorination of small water bodies like ponds and aquariums.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 8
Save

______ is found in association with rocks composed of calcium carbonates?
[SSC CGL 03/12/2022 (1st Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 8

Limestone is a sedimentary rock made of calcium carbonate (CaCO3), usually in the form of calcite or aragonite. Other examples of sedimentary rocks include Breccia, Conglomerate, Sandstone, Siltstone, and Shale, which are formed by the deposition and subsequent cementation of material at the Earth’s surface within bodies of water.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 9
Save

Which of the following chemical compounds is a naturally occurring orange/yellow pigment extracted from turmeric, used as a spice, in food coloring, and as a traditional herbal medicine?
[Graduate Level 02/08/2022 (Shift - 3)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 9

Curcumin {(C21H20O6), polyphenol with anti-inammatory properties and the ability to increase the amount of antioxidants that the body produces}.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 10
Save

Which sodium salt of glutamic acid is commonly added to Chinese food, canned vegetables, soups, and processed meats to enhance flavor?
[Graduate Level 04/08/2022 (Shift - 2)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 10

Monosodium glutamate (C5H8NO4Na). Sodium carbonate (Na2CO3) is used in manufacture of detergents, soaps, paper, water glass (sodium silicate), borax, sodium phosphate, and many other sodium compounds. Gloxazone (C8H16N6OS2).

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 11
Save

Which of the following chemical compounds is used as a yeast de-foaming agent, commonly found in butter, meat, cereals, chewing gum, baked goods, snack foods, dehydrated potatoes and beer? [Graduate Level 04/08/2022 (Shift - 2)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 11

Butylated hydroxyanisole (C11H16O2). Chlorobenzoate (C7H4ClO2). Potassium Nitrate (KNO3), Uses - food preservatives, fertilizers, tree stump removal, rocket propellants, and reworks. Potassium nitrate is a common active ingredient in toothpaste, exerting an anti-sensitivity action. Benzene hexachloride (C6H6Cl6) is commonly used as an insecticide and also as a fungicide.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 12
Save

Eugenol is a major component of:
[Higher Secondary 04/08/2022 (Shift - 3)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 12

Clove essential oil. It is an aromatic oil extracted from cloves that is used widely as a avouring for foods and to treat toothache.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 13
Save

Starch in potatoes reacts with _____, turning to a blue colour.
[SSC MTS 12/07/2022 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 13

Iodine. The group 17 elements include uorine(F), chlorine(Cl), bromine (Br), iodine(I) and astatine(At) from the top to the bottom. They are called “halogens” because they give salts when they react with metals.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 14
Save

Which chemical compound is composed of magnesium, sulphur and oxygen and is commonly used in detox bath to relax muscles and relieve pain in the shoulders, neck, back and scalp?
[SSC CHSL 02/06/2022 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 14

Epsom salt is also known as magnesium sulphate. Potash alum is also known as potassium alum or potassium aluminium sulphate. Rock salt is the common name for halite. Glauber's salt is the decahydrate form of sodium sulphate. It is also known as mirabilite.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 15
Save

Why is water uoridation, which is the controlled adjustment of uoride to public water supply, done?
[SSC CGL 11/04/2022 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 15

To prevent tooth decay. Fluoride is the ionic form of uorine. Fluoride is a natural mineral that is found in many foods and in all drinking water. Chemical Formula of Fluoride- F– .

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 16
Save

Which of the following is NOT a chemical coagulant used in water treatment?
[SSC CGL 19/04/2022 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 16

Nitrogen Dioxide (NO2) is one of a group of highly reactive gases known as oxides of nitrogen or nitrogen oxides (NO2).

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 17
Save

Which of the following is one of the main active sulphur-containing compounds present in garlic and onion?
[SSC MTS 11/10/2021 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 17

Allicin (Diallyl thiosulfinate). It is an oily, slightly yellow liquid that gives garlic its unique odour.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 18
Save

Complete the statement: Sodium hydrogen carbonate is used ______.
[SSC MTS 11/10/2021 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 18

Sodium hydrogen carbonate or sodium bicarbonate is used as a fire extinguisher. When heated to a high temperature, the chemical properties of this salt make it produce lots of carbon dioxide and remove oxygen. This reduces the amount of oxygen and puts the fire out.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 19
Save

Which of the following acids is used in the purication of gold and silver?
[SSC CGL 18/08/2021 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 19

Nitric acid. It dissolves the impurities like various metal oxides present on the surface of gold. Gold is insoluble in HNO3. Nitric acid (HNO3)- It is also known as aqua fortis or spirit of nitre. It is a strong corrosive acid.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 20
Save

When we cut an onion, the synthase enzyme converts the amino acid sulfoxides of the onion into which acid?
[SSC CGL 03/03/2020 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 20

Sulfenic acid. When we cut onion it actually breaks the microscopic cell lled with enzymes which after reaction with air makes a lachrymatory compound which is similar to the compound of tear gas.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 21
Save
In which year did Albert Einstein predict a new state of matter, the Bose-Einstein condensate (BEC), based on a quantum formulation by the Indian physicist Satyendra Nath Bose?
[SSC CPO 04/10/2023 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 21
1924. Bose-Einstein condensates are described as the fifth state of matter, alongside solids, liquids, gases, and plasmas. This matter occurs when particles (bosons) are cooled to near absolute zero (-273.15 degrees Celsius, or -460 degrees Fahrenheit). Discoveries of Albert Einstein: Theory of Relativity, Photoelectric Effect, Mass-Energy Equivalence (E = mc²).
Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 22
Save

In 1957, who redened a model that predicted the shape of individual molecules based on the extent of electron-pair electrostatic repulsion?
[SSC CPO 04/10/2023 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 22

Nyholm and Gillespie. Scientists and discovery: Pauling - He discovered the alpha-helix structure of proteins and discovered that sickle-cell anaemia is a molecular disease. Heitler and London - Valence bond method. Staudinger - Theories on the polymer structures of bres and plastics. Perey - Francium.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 23
Save

In 1932, who discovered the positron, a particle described as ‘carrying a positive charge but having a mass of the same order of magnitude as that normally possessed by a free negative electron’?
[SSC CPO 05/10/2023 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 23

Carl Anderson. Awards: Nobel Prize in Physics (1936) for the discovery of a positively charged particle called the ‘positron’.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 24
Save

Who started the chemical revolution in the 18th century by naming oxygen and helping to organise chemical nomenclature?
[SSC MTS 14/09/2023 (2nd Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 24

Antoine-Laurent Lavoisier - He is known for his discovery of oxygen's role in combustion and respiration.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 25
Save

In 1937, who along with Sir Christopher Ingold proposed nucleophilic substitution reactions of alkyl halides and related compounds?
[SSC CHSL 04/08/2023 (3rd shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 25

Edward Davies Hughes. He was elected as a fellow of the Royal Society in 1949.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 26
Save

In 1950, which Russian astronomer revised the 'nebular hypothesis’, proposing that the sun is surrounded by a solar nebula consisting mainly of hydrogen and helium as well as dust?
[SSC CHSL 07/08/2023 (2nd shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 26

Otto Schmidt. George Gamow - "Big Bang" theory of the origin of the universe and in 1954 his studies in biology led him to suggest that the genetic code was a triplet code. Naum Idelson - Soviet theoretical astronomer and expert in the history of physics and mathematics.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 27
Save

In which year did Antoine Lavoisier publish 'Methods of Chemical Nomenclature', which included the rules for naming chemical compounds that are still in use today?
[SSC CGL 26/07/2023 (2nd shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 27

1787. In 1774, Lavoisier (Father of modern chemistry) did many experiments investigating combustion that would discover oxygen. In 1789, he published the rst periodic table, his ndings describing the law of conservation of mass. Book - “Elementary Treatise of Chemistry”, “Elements of Chemistry”.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 28
Save

In 1931, who recognised that an aromatic compound must have an odd number of pairs of electrons, which can mathematically be written as 4n + 2 (n = 0,1,2,3 etc.)?
[SSC CGL 12/12/2022 (1st Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 28

Erich Huckel (1931). Two major contributions: the Debye–Huckel theory of electrolytic solutions and the Huckel method of approximate molecular orbital (MO) calculations on π electron systems.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 29
Save

In which year Gay Lussac's Law of Gaseous Volumes was given by Gay Lussac?
[SSC CGL 09/12/2022 (1st Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 29

1808 . Four Gas Laws: Gay-Lussac's Law gives relation between the pressure exerted by a gas and the absolute temperature. Boyle's Law (1662) gives relation between the pressure and the volume of a gas, Charles's Law (1780) gives relation between the volume occupied by a gas and the absolute temperature. Avogadro's Law (1811) gives relation between the volume occupied by a gas and the amount of gaseous substance.

Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 30
Save

The British physicist named Paul Dirac was known to have introduced the concept of _________ in 1930.
[SSC CGL 09/12/2022 (1st Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 - Question 30

Antiparticles are subatomic particles having the same mass as one of the particles of ordinary matter but opposite electric charge and magnetic moment. Examples are positron, antineutron, antiproton and antineutrino.

View more questions
319 docs|337 tests
Join Course
Information about Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 Page
In this test you can find the Exam questions for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 solved & explained in the simplest way possible. Besides giving Questions and answers for Test: SSC CGL Previous Year Questions: Chemistry (2023-20) - 4, EduRev gives you an ample number of Online tests for practice
Download as PDF

Important Questions for SSC CGL Previous Year Questions: Chemistry (2023-20) - 4

Find all the important questions for SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 at EduRev.Get fully prepared for SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 with EduRev's comprehensive question bank and test resources. Our platform offers a diverse range of question papers covering various topics within the SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 syllabus. Whether you need to review specific subjects or assess your overall readiness, EduRev has you covered. The questions are designed to challenge you and help you gain confidence in tackling the actual exam. Maximize your chances of success by utilizing EduRev's extensive collection of SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 resources.

SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 MCQs with Answers

Prepare for the SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 within the SSC CGL exam with comprehensive MCQs and answers at EduRev. Our platform offers a wide range of practice papers, question papers, and mock tests to familiarize you with the exam pattern and syllabus. Access the best books, study materials, and notes curated by toppers to enhance your preparation. Stay updated with the exam date and receive expert preparation tips and paper analysis. Visit EduRev's official website today and access a wealth of videos and coaching resources to excel in your exam.

Online Tests for SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 SSC CGL Previous Year Papers

Practice with a wide array of question papers that follow the exam pattern and syllabus. Our platform offers a user-friendly interface, allowing you to track your progress and identify areas for improvement. Access detailed solutions and explanations for each test to enhance your understanding of concepts. With EduRev's Online Tests, you can build confidence, boost your performance, and ace SSC CGL Previous Year Questions: Chemistry (2023-20) - 4 with ease. Join thousands of successful students who have benefited from our trusted online resources.
© EduRev
Education Revolution
Signup to see your scores go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup