Question

1. true or false:
Gold, silver and platinum are directly purified by electro refining


2. which of the following are not ionic compounds
a. KCl and HCl
b. HCl and CCl4
c. CCl4 and NaCl
d. KCl and CCl4

3. which of the following are not refined by electrolytic refining?
i) Zn ii) Cu iii) Al iv) Na
a. iii and iv
B. ii , iii,iv
c. I,ii,iv
d. I,ii,iii
​

Answer 1

Answer:

1) true

2) c

3) b

Explanation:

answer can e wrong not sure