1000+ TNPSC Chemistry Study Materials in Tamil & English Pdf - 2

Question: 6

Vander Wall’s equation explains the behaviour of

(A) Diatomic gases

(B) Mixture of gases

(C) Ideal gases

(D) Real gases

Question: 7

Tartaric acid is obtained from

(A) Apples

(B) Grapes

(C) Citrous fruit

(D) Tomato

Question: 8

The difference between a nuclear reactor and atomic bomb is that

(A) No-chain reaction takes place in atomic bomb while it takes place in nuclear reactor

(B) The chain reaction in nuclear reactor is not controlled

(C) The chain reaction in nuclear reactor is controlled

(D) No chain reaction takes place in nuclear reactor while in the atomic bomb there is a chain reaction

Question: 9

Which of the following is a radioactive element?

(A) Polonium

(B) Selenium

(C) Sulphur

(D) Tellurium

Question: 10

Blue litmus paper is converted into red in solution of

(A) Alkali

(B) Acid

(C) Base

(D) Salt