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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