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
Ammonia
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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