Question

Q1) Burning of candle is
a) Physical change
b) Chemical change
c) Neither physical nor chemical change
02) Souring of milk is a
a) Reversible change
b) Irreversible change
c) Desirable change​

Answer 1

Answer:

1. a

2..b.....................

Explanation:

I hope it may help you ..

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Answer 2

Answer:

1. B) chemical change

2.C)irreversible change

Explanation:

1.the ribbon inside the candle cannot be again get back..as it changes to ash

2.we cannot get milk back after it converts to curd..

hope it helps