Question

7 Which of these is a chemical change?
a) the dissolution of sugar in water
b) water freezing to ice
c) the melting of wax
d) the burning of a candle

Answer 1

Answer:

burning of candle . . . this is because the melted wax van be converted to solid wax but the thread that is benn burnt is converted in ash

Answer 2

Answer:

d) the burning of a candle