Question

4.) Which of the following are chemical changes
a) burning of food b) hammering of nail into wood.
C) decay of wood. d) sorting of food
a) i&ii. b) ii&iji. c) iii &iv. d) i&iv​

Answer 1

Answer:

a). i and ii option is correct..

Explanation:

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Answer 2

Answer:

d) i&iv

Explanation:

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