Chemistry Gk Questions and Answers 2020-2021 - 2

Question: 6

Acetyl salicylic acid is commonly used as

(A) fire extinguisher

(B) a pain killer

(C) a fertilizer

(D) a detergent

Question: 7

Which of the following is a radioactive element?

(A) Plutonium

(B) Oxygen

(C) Caesium

(D) Zinc

Question: 8

Pressure of gases is measured by

(A) Sphygmomanometer

(B) Barometer

(C) Kymograph

(D) Manometer

Question: 9

The gas obtained by radioactive disintegration of radium (226) is

(A) Argon

(B) Krypton

(C) Radon

(D) Neon

Question: 10

Which of the following is the lightest metal?

(A) Lead

(B) Lithium

(C) Silver

(D) Mercury