Question

3) A chemical change may involve -
(a) change in colour only
(c) evolution of gas only
(b) change in temperature only
(d) any or all of the above

pls answer you will get 20 points​

Answer 1

Answer:

all of above are correct about chemical change

Answer 2

Answer:

any or all of the above

Explanation:

A chemical change involves change in colour,temperature and evolution of gas,heat.