Question

1. Matter is added or removed during a__________change.

2. Dissolution of sugar in water is considered as
________ and _________
change.

3. When the total mass of a substance is altered, the change is known as_________

4. Expansion and contraction of a metal on heating and cooling is an example of_________
change.
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Answer 1

Answer:

Solution:

Physical change

Chemical

Released

Physical

Chemicala