Question

Dissolving sugar in water is not an example for chemical reaction because,
a. there is no change in energy
b. sufficient heat is not produced
c. no new substances are formed
d. no gases are evolved

Answer 1

Option A
There is no change in energy and remains same
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Answer 2

Dissolving sugar in water is a physical change and not a chemical change. This is because for a chemical change to take place, new substances should be formed and when you dissolve sugar in a glass of water, no new substances are formed.

The components remain the same.

The substances change the form but not the identity.

Thus, this is not a chemical reaction.