Question

Fill in the blanks:
1. During a _______
change, the identity of the substance does not change.
2. New substances are formed during a_______
change.
3. Most substances______
on heating and_______
on cooling
4. Most metal objects are made by the process of________
5. A change usually occurs due to the effect of some kind of_____​

Answer 1

Answer:

1. Physical

2. Chemical

3. Evaporates and condenses