Question

[5]
QI. Choose the correct option:
1. Which of the following is not used for electroplating metal articles?
(a) Nickel
(b) Silver
(c) Chromium (d) Sodium
2. Flow of electron is called
(a) electrolyte (b) electroplating (c) electrodes (d) electric current
3. Electroplating is based on
(a) heating effect of electricity (b) chemical effect of electricity
(c) physical effect of electricity (d) magnetic effect of electricity
4. Polythene is
(a) a conductor (b) an insulator (c) both (a) and (b) (d) none of these
5. Which of the following does not conduct electricity?
(a) Sugar solution
(b) Vinegar solution
(c) Lemon juice solution
(d) Caustic soda solution

Answer 1

Answer:

Explanation:

1=d

2=d

3=d

4=d

5=d