Question

E. Choose the correct option.
1. Which of the following is the symbol of gold?
(d) Pb
(a) Gd
(c) Au
(b) Ag
2. Which of the following is a divalent radical?
(a) Hydroxide
(b) Nitrate
(c) Sulphate
(d) Phosphate
3. The valency of sulphur in sulphur dioxide is
(a) 1
(d) 4
(b) 2
(c) 3
4. How many times greater is the valency of N in NH, than that of Cl in HCl?
(c) 4.
(b) 3
(a) 2
(d) 5
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Answer 1

Ans 1 :- (c) Au

Ans 2 :- (c) Sulphate

Ans 3 :- (d) 4

Ans 4 :- (b) 3

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