Question

State any two ways to bring a change in a substance.​

Answer 1

Explanation:

• Heating of milk
• .Drying of clothes.

Answer 2

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Boiling Evaporation

Heat is supplied Heat is absorbed from the surroundings

Fast process Slow process

Starts from bottom Starts from surface

Sound is produced Silent process

Heating effect Cooling effect

At a fixed temperature At all temperatures