Question

Remembering/Understandin
Obje
B. Fil
1.
1. TH
Multiple choice questions
A. Choose the correct option.
A liquid that conducts electricity due to the
presence of ions is called a/an
b) electrolyte
d) electrode
2. Which of the following are electrolytes?
(i) impure water
(ii) kerosene
(iii) salt solution
(iv) copper
b) (ii) and (iii)
d) (ii) and (iv)
a) anode
c) cathode
2. Ti
Φ - Ο
3.
4.
5.
6.
a) (i) and (ii)
c) (i) and (iii)
3. Which of the following are non-electrolytes?
(i) lemon juice (ii) distilled water
(iii) kerosene (iv) copper sulphate
solution
a) (i) and (ii)
b) (ii) and (iii)
c) (i) and (iv)
d) (ii) and (iv)
4. Which of these are applications of
electrolysis?
a) metal extraction b) electroplating
c) electrorefining d) all the three
7.
8.
C
5. Which of these metals is deposited on iron
objects to give them a shiny look and to
protect them from corrosion?
a) gold
b) silver
c) chromium
d) tin
6. Which of these metals is deposited on iron
to prevent it from reacting chemically with
food?
a) gold
c) chromium
b) silver
d) tin
acement​

Answer 1

Answer:

1.electrolyte

2.(ii) and (iii)

3.ii and iii

4.all of three

5.tin

6.tin

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