EASY
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Consider the following statements

1. Clusters of atoms that act as an ion are called polyatomic ions.

2. In ionic compounds, the charge on each ion is used to determined the chemical formula of the compound.

Which of the statement(s) given above is/are correct?

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Important Questions on Chemistry

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 2>Q 67
The mass number of an atom is determined by _____.
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 2>Q 68
Which one of the following statements is correct?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 2>Q 69
The most of the mass of the atom can be found in _____.
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 2>Q 70
Which one among the following contains the most neutrons?
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 3>Q 1

Consider the following statements concerning X-rays:

1. They produce heat when absorbed by matter.

2. They are generated when fast-moving electrons strike a metal target.

3. They can penetrate through a thin sheet of aluminium.

Which of the statements given above are correct?

HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 3>Q 2

Which of the following statements regarding heavy water are correct?

1. It is extensively used as a moderator in nuclear reactors.

2. It cannot be used in exchange reactions to study reaction mechanisms.

3. Viscosity of heavy water is relatively smaller than that of ordinary water.

4. The dielectric constant of heavy water is smaller than that of ordinary water.

Select the correct answer using the codes given below:

HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 3>Q 4
Radioactive substance used in dating geological object is
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 3>Q 5
Nuclear fission is caused by the impact of_____.