chemistry mcqs with answers for class 9, 12, 2nd year. Chemistry mcqs online for entry test. It also contains a level & o level chemistry mcqs with tips, organic quizzes with practice chemistry tests.
A. Oxygen 65% B. Calcium 75% C. Hydrogen 10% D. Carbon 18% Explanation: All living organisms contain carbon, which forms the…
A. 271 K B. 272.2 K C. 273.16 K D. None of these Explanation: The single combination of pressure and…
A. Hydrogen B. Air C. Oxygen D. Argon Explanation: Combustion can not take place without air. Air contains about 21% by…
A. Sodium bicarbonate B. Calcium sulfate C. Calcium bicarbonate D. None of these Explanation: Permanent hardness in water is due…
A. Ozone B. Chlorofluorocarbons C. Carbon Dioxide D. None of these Explanation: Carbon Dioxide Emissions. Carbon dioxide (CO2) is the…
A. Cyanohydrin B. Dextran C. Cyclohexane D. Cyclonite Explanation: RDX stands for Royal Demolition eXplosive. It is also known as cyclonite…
A. Plaster of Paris B. Washing Soda C. Common Salt D. None of these Explanation: Sodium carbonate, Na2CO3·10H2O, (also known…
A. Same temperature as fresh water. B. Slightly higher temperatures than fresh water. C. Slightly lower temperature than fresh water.…
A. Beta Rays B. Alpha Rays C. Gamma Rays D. None of these Explanation: Alpha ray is a positively charged particle…
A. calcium sulphate B. phosphoric sulphate C. Calcium sulphate D. None of these Explanation: Bone ash is a white material produced…
A. Proper irrigation B. Adding sodium hydroxide C. Liming D. Application of fertilizers Explanation: Soil acidity can be corrected easily by liming the soil,…
A. Physics in 1956 and 1972 B. Chemistry in 1958 and 1980 C. Physics in 1903 and Chemistry in 1911…
A. 90’C B. 97’C C. 100’C D. None of these Explanation: At sea level, pure water boils at 212 °F (100°C).
A. Na3CO2 B. CNa2O3 C. Na2CO3 D. Na3CO3
1. Which element is a liquid at ordinary temperature? Mercury 2. What is the chemical name of baking…
Chemistry MCQ's Quiz Questions for NTS, PPSC, CSS, FPSC, PMS, OTS, PTS Tests and Interviews. MCQs are taken from Caravan…
Chemistry MCQ's Quiz Questions for NTS, PPSC, CSS, FPSC, PMS, OTS, PTS Tests and Interviews. MCQs are taken from Caravan…