Question

1) choose the correct answer.

1. A chemical change may involve:
a) Change in colour only
c) Evolution of gas only
b) Change in temperature
d) All the above

2. Galvanization is the process used to prevent the rusting of which of the following-

a) Iron
b) Zinc
c) Aluminium
d) Copper

3. Electrolyzing: Chemical change, Crystallization:

a) Thermal change b) Physical change c) Neutralization
d) fast change ​

Answer 1

Answer:

1_All the above

2_Iron

3_Neutralization

Hope my answer is helpful....

Answer 2

Answer:

1.)All of the above

Explanation:

all options are correct