Top 500+ TNPSC General Science Chemistry Questions & Answers - 1

Question: 1

The term ‘nucleons’ apples to

(A) Protons and neutrons

(B) Protons and electrons

(C) Neutrons

(D) Protons

Ans: A

Protons and neutrons

Question: 2

The chemical substance which is easily soluble in water is

(A) Ammonia

(B) Iodine

(C) Nitrogen

(D) Carbon

Ans: A


Question: 3

Which of the following chronological order of the density of various substances is true?

(A) Gold>steel>mercury

(B) Gold> mercury>steel

(C) Steel>gold>mercury

(D) Steel>mercury>gold

Ans: B

Gold> mercury>steel

Question: 4

The rusting of iron nail

(A) does not affect weight but iron is reduced

(B) does not affect weight but iron is oxidized

(C) increases its weight

(D) decreases its weight

Ans: C

increases its weight

Question: 5

Aluminium chloride is

(A) Acidic and coordinate

(B) Anhydrous and ionic

(C) Anhydrous and covalent

(D) Basic and covalent

Ans: C

Anhydrous and covalent

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