Question

1.
Which of the following is an example of non periodic change?
(a) Earthquake
(b) Rotation of fan
(c) Movement of earth around sun (d) Phases of moon
If we burn a candle , the height of a candle will
(a)decreases (b) increases (c) remain same
(d) none of these
The incense stick has burnt to give off.
(a)Gases (b) Ashes (c)Both (a) and (b) (d) None of these
Salt can be separated from its solution (salt dissolved in water), because
(a) mixing of salt in water is a change that can be reversed by heating and melting of sal
(b) mixing of salt in water is a change that cannot be reversed.
(c) mixing of salt in water is a permanent change.
(d) mixing of salt in water is a change that can be reversed by evaporation.​

Answer 1

Answer:

sorry I didn't know the sum

Answer 2

Answer:

The answer is

Explanation:

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