Question

1. A good conductor has lots of
electrons.
(a) bound
(b) free
(c) floating
(d) flying
2. An object can get charged by:
(a) slapping
(b) rubbing
(c) kicking
(d) running
_____ is used for purification of metals.
(a) Copper
(b) Electrolysis
(c) Galvanisation (d) Silver
4. An electroscope is charged by:
(a) conduction
(b) friction
(c) induction
(d) reduction
5. The longer lead of LED is always connected to
the
terminal of the battery.
(a) positive
(b) negative
(c) neutral
(d) can't say
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Answer 1

Answer:

1. Free.

2. Rubbing.

3. Electrolysis.

4. Reduction.

5. Can't say.

Answer 2

Free .

Rubbing.

Electrosis.

Reduction.