Question

state any three difference between physical Change and chemical change​

Answer 1

physical-1 When a substance undergoes a physical change, its composition remains the same despite its molecules being rearranged.

2. A Physical change affects only physical properties i.e. shape, size, etc.

3. Physical change is a temporary change.

chemical-1. When a substance undergoes a chemical change, its molecular composition is changed entirely. Thus, chemical changes involve the formation of new substances.

2. Chemical change both physical and chemical properties of the substance including its composition.

3. A chemical change is a permanent change.

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Answer 2

Answer:

IN PHYSICAL CHANGE NO NEW SUBSTANCE IS FORMED.

EXAMPLE - TEARING OF PAPER. FREEZING OF WATER.

IN CHEMICAL CHANGE NEW SUBSTANCE IS FORMED WITH DIFFERENT PROPERTIES.

EXAMPLE - COOKING OF FOOD. GROWTH OF PLANTS.