TNPSC VAO Model Question Papers with Answers - 2

Question: 6

Formation of cation occurs by

(A) Loss of proton

(B) Loss of electron

(C) Gain of protons

(D) Gain of electrons

Ans: B

Loss of electron

Question: 7

Which of the following is not a radioactive element?

(A) Zcronium

(B) Titenium

(C) Franscium

(D) Astetin

Ans: A

Zcronium

Question: 8

Which one of the following metals is found in plaster of paris?

(A) Sodium

(B) Potassium

(C) Magnesium

(D) Calcium

Ans: D

Calcium

Question: 9

Which one of the following can replace hydrogen from the acids and forms salt?

(A) Phosphorus (P)

(B) Zinc(Zn)

(C) Silicon(Si)

(D) Sulphur(S)

Ans: B

Zinc(Zn)

Question: 10

The process involved in the preparation of soap is called

(A) Polymerization

(B) Freezing

(C) Water hydrolysis

(D) Soapnification

Ans: D

Soapnification

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