Question

In a copper sulphate solution used for electroplating, which metal will be coated on an
object connected to negative terminal of the battery?
a. Brass
b. Copper
c. Sulphur
d. Chromium
3. Which of the following is the best conductor?
a. Distilled water b. Glass
c. Silver
d. Toothpaste
4. Adding acids, bases or salts to a solvent like distilled water makes it
a. conducting
b. shiny
C. pure
d. insulating​

Answer 1

Answer:

pure is right option only tick this

Answer 2

Answer:

2.Copper

When an electric current is allowed to pass through the copper sulphate solution, The free copper ions from the copper sulphate solution get attracted to the negative ions of the iron spoon connected to the negative terminal of the battery and become copper atoms.

3.Silver

4.conducting