Question

Tick the correct answer?

Answer 1

1// heating

2// a slow change

3// physical change

4// chemical changes

Answer 2

$your \: answer$


{1》A change in a substance can be done by 》Heating .
{2》chemical changes are》 slow CHANGE.
{3》Growth in living being is a》 PHYSICAL change.
{4》A new substance is formed in a 》chemical CHANGE.