Wax I

Cool : Heat :: Wax : ?

While lighting a candle, Paheli observed the following changes (i) Wax was melting. (ii) Candle was burning. (iii) Size of the candle was reducing. (iv) Melted wax was getting solidified. Of the above, the changes that can be reversed are

Waxes are

Waxes are

Waxes are esters of

Wax contains:

Paraffin wax expands on melting. The melting point of wax will