Question

What is the action of the following on zinc?
(a) dil. H,SO,,
(b) Hot and conc. NaOH
(c) Cuso, solution.

Answer 1

Answer:

a) zinc sulphate and hydrogen gas are formed

b)zinc hydroxide and sodium are formed

c)Zinc sulphate and copper are formed

Explanation:

a)Zn+H2So4=ZnSo4+H2

b)2NaOH+Zn=Zn(OH)2+2Na

c)CuSo4+Zn=ZnSo4+Cu

(blue). (red)