Question

Write the any five physical and chemical changes?​

Answer 1

Answer:

Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding. Many physical changes are reversible, if sufficient energy is supplied. The only way to reverse a chemical change is via another chemical reaction.

Explanation:

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Answer 2

• EXAMPLES OF PHYSICAL CHANGE:-

1. Making of squash by mixing sugar in water.

2. Making of salt powder by grinding solid piece of salt.

3. Wetting of clothes.

4. Freezing of water in freezer of refrigerator.

• EXAMPLE OF CHEMICAL CHANGE :—

1. Burning of candle.

2. Making of curd from milk.

3. Dissolution of lime in water for white washing.

4. Formation of ash by burning of wood.