Characteristics of temporary changes
State four characteristics of temporary chemical changes. (4marks)
Suggested resposponses
a. a new substance is formed;
b. heat energy is formed;
c. there is change in mass;
d. the change can be reversible;
...
State four characteristics of temporary chemical changes. (4marks)
a. a new substance is formed;
b. heat energy is formed;
c. there is change in mass;
d. the change can be reversible;
...