Question

(6)
Choose the most appropriate answer for each of the following
Tu Which of the following is a covalent compound?
A Sodium chloride
B Carbon tetrachloride
C. Magnesium chloride
D. Calcium chloride
() The salt that undergoes photo chemical decomposition !
A Copper sulphate
B. Zinc carbonate
C. lead bromide
D. Silver nitrate

(iv) Which metal gives hydrogen on reacting with water, a
A. Iron
B. Zinc
C. Magnesium
D. Lead
(v) A substance that does not contain water of crystallization
A Blue vitriol
B. Common salt
C Glauber's salt
D Washing soda crystals​

Answer 1

Answer:

a. B. carbon tetrachloride

b. D. Silver nitrate

c. A. Iron

d. A. Blue vitriol