TNPSC Group 1, 2 Chemistry Questions and Answers - 1

Question: 1

The science which deals with the chemistry of life processes is known as

(A) Tnictorial chemistry

(B) Electrochemistry

(C) Biochemistry

(D) Physical chemistry

Question: 2

Which one of the following is the basis of modern periodic table?

(A) Atomic size

(B) Atomic number

(C) Atomic mass

(D) Atomic volume

Question: 3

Which one among the following methods is not effective in removing arsenic from contaminated ground water?

(A) Ion exchange

(B) Boiling

(C) Reverse osmosis

(D) Coagulation adsorption

Question: 4

What do the spectacles used for viewing 3D films have?

(A) Aneroid

(B) Steroid

(C) Thyroid

(D) Polaroid

Question: 5

Minamata epidemic that caused several deaths in Japan in 1965 occurred due to pollution in water by

(A) Lead

(B) Dot

(C) Mercury

(D) Fluoride