- Chemistry Notes for UPSC IAS Prelims (Part I)
- Chemistry - Home
- Matter In Our Surroundings
- Is Matter Around Us Pure
- Chemistry - Atoms & Molecules
- Chemistry - Structure Of The Atom
- Chemical Reactions and Equations
- Chemistry - Acids, Bases, and Salts
- Materials: Metals and Non-Metals I
- Chemistry - Metals & Non-Metals II
- Carbon & its Compounds
- Periodic Classification Of Elements
- Synthetic Fibres and Plastics
- Chemistry - Coal And Petroleum
- Chemistry - Combustion And Flame
Chemistry Part 1 Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Chemistry. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - ………… converts red litmus paper into blue.
Answer : A
Explanation
The red litmus paper turns blue under basic as well as alkaline condition.
Q 2 - Which among the following is not an ore of calcium?
Answer : B
Explanation
Borax is an ore of Sodium.
Q 3 - Consider the following statements:
1. Liquefied Petroleum Gas (LPG) is a mixture of hydrocarbons such as propane, butane, and pentane.
2. Because of low boiling point, LPG are stored under pressure to keep in a liquid state.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 4 - Consider the following statements:
1. Oxygen does not burn itself.
2. Oxygen helps other substance in burning.
Choose the correct answer from the codes given below:
Answer : C
Explanation
Oxygen is a colorless, odorless, and tasteless gas.
Q 5 - Why does silver turn black?
Answer : D
Explanation
The chemical reaction that occurs after coming in contact with sulfur or hydrogen makes silver black.
Answer : B
Explanation
N/A
Q 7 - Consider the following statements:
1. Antigen is a substance that stimulates the formation of antibodies.
2. Antimony is crystalline and brittle metal.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Answer : B
Explanation
Atomic number of Silicon is 14.
Q 9 - Which among the following is used in laughing gas?
Answer : B
Explanation
N/A
Q 10 - Which among the following is light and non-inflammable?
Answer : B
Explanation
N/A
Q 11 - Which among the following is used in poison?
Answer : B
Explanation
The chemical formula of mercuric oxide is HgO.
Answer : C
Explanation
Atomic number of Vanadium is 23.
Q 13 - Consider the following statements:
1. Glycogen is the reserve carbohydrate of animals.
2. Glycogen is reserved in the liver and muscles tissues.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Answer : D
Explanation
Atomic number of Nobelium is 102.
Q 15 - …... said that the atom is indivisible.
Answer : D
Explanation
N/A
Q 16 - Consider the following statements:
1. The amount of energy released during the formation of one mole of an ionic compound from its constituent ions is known as ‘Lattice energy.’
2. The amount of energy released during the dissolution of one mole of a compound into water, is known as hydration energy.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 17 - What is chemical name of Dry ice?
Answer : B
Explanation
N/A
Q 18 - Consider the following statements:
1. Saccharin is white crystalline solid substance.
2. Saccharin is 1000 times sweeter than the sugar.
Choose the correct answer from the codes given below:
Answer : A
Explanation
Saccharin is about 300 to 500 times sweeter than sugar. It is used by diabetic patients.
Q 19 - The process by which metals are refined is known as …
Answer : C
Explanation
Metals are heated on very high temperature to purify the impurities.
Answer : A
Explanation
Quartz consist of sodium, silica, and oxygen.
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