Question

35. When lighting a candle, Ananya observed the following changes:
1) wax was melting
ii) candle was burning
size of the candle was reducing
iv) melted wax was getting solidified
Out of the above observations, the changes that can be reversed are -
a) (i) and (ii)
b)(ii) and (iii)
c)(iii) and (iv)
d) (i) and (iv)​

Answer 1

d) ( i ) and ( iv )

Wax was melting and Melted wax was getting solidified because it is a reversible process.

Answer 2

Answer:

Out of the above observations, the changes that can be reversed are option (d) (i) and (iv) .

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