- 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.
Answer : C
Explanation
N/A
Q 2 - ……………… investigate the structure of a solid.
Answer : A
Explanation
N/A
Q 3 - What is chemical name of Soda bicarb?
Answer : B
Explanation
N/A
Q 4 - If someone reduces the volume of gas at a constant temperature, what will be the impact on pressure?
Answer : A
Explanation
N/A
Q 5 - The process in which one type of molecule or ion added to another is known as …
Answer : B
Explanation
N/A
Answer : A
Explanation
Atomic number of Sodium is 11.
Answer : A
Explanation
N/A
Q 8 - Yellow phosphorous is normally kept in …
Answer : A
Explanation
Sometimes, yellow phosphorus is also called as tetraphosphorus.
Q 9 - Which among the following is used in welding work?
Answer : C
Explanation
Water gas is CO + H2.
Q 10 - Which among the following is popular as quicksilver?
Answer : B
Explanation
N/A
Answer : B
Explanation
Atomic number of Radon is 86.
Q 12 - Which among the following is used in insecticides?
Answer : A
Explanation
Chemical formula of bleaching powder [Ca(OCI)CI].
Q 13 - Consider the following statements:
1. Ammonia is used in fertilizers.
2. Ammonia is used in manufacturing nitric acid.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 14 - Pure water is a poor conductor of electricity because …
B - Its boiling point is very low
Answer : A
Explanation
Pure water does not have free electrons to move freely and conduct electric charge.
Q 15 - Which one of the following is responsible for nuclear fission?
Answer : C
Explanation
In the process of nuclear fission, one atom splits into two atoms and releases energy.
Q 16 - In reference to Diamond, which among the following statements is incorrect?
A - Diamond is the purest form of carbon
B - Diamond is the hardest naturally occurring substance
Answer : D
Explanation
Diamond is a bad conductor of heat and electricity.
Q 17 - Which among the following is used in plastics?
Answer : C
Explanation
N/A
Q 18 - Which among the following is used in making blue glass?
Answer : D
Explanation
Cobalt II oxide is also used in making glass blue.
Q 19 - Consider the following statements:
1. A molecule is the smallest particle of an element or compound.
2. A molecule has no independent existence.
Choose the correct answer from the codes given below:
Answer : A
Explanation
A molecule can have a stable and independent existence e.g. N2, O2, etc.
Q 20 - Consider the following statements:
1. The polymers which have very high intermolecular forces are known as Fibers.
2. The synthetic fiber which is extracted from cellulose is known as Rayon.
Choose the correct answer from the codes given below:
Answer : C
Explanation
Example of fiber is Nylon-6.
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