Question

A.Multiple choice questions 1.Melting of ice is
( a) a chemical changd
(b) a periodic change
(c) an irreversible change
(d) none of these
2.cooking of good involves
(a) a chemical reaction
(b) a physical change
(c) formation of no new substance
(d) a of these
3.Bursting of a balloon is a
(a)chemical change, as it is irreversible
(b)physical change, as no new substance is formed
(c)desirable change, as it releases gas
(d)periodic change
4.water is converted into vapour by the process by
(a)evaporation
(b)condensation
(c)bolling
(d)melting​

Answer 1

Answer:

1. d

2. a

3. a

4. a

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Answer 2

Answer:

Hie❤️

Explanation:

Answer:-

d

a

a

a.....☺️