Question

Classify the following changes as physical or chemical change
i) Burning of sugar
ii) Growth of plants to trees
iii) Spoiling of food
iv) Bursting of crackers
V) Cutting of vegetables
vi) Melting of butter
vii) Souring of milk ​

Answer 1

Answer:

i. chemical

ii. physical

iii. chemical

iv. chemical

v. physical

vi. physical

vii. chemical

Answer 2

Answer:

i) Burning of sugar is chemical change.

ii) Growth of plants to trees is chemical change.

iii) Spoiling of food is chemical change.

iv) Bursting of crackers is chemical change.

V) Cutting of vegetables is physical change.

vi) Melting of butter is physical change.

vii) Souring of milk is chemical change.

Explanation:

physical change is a change where no new substance is formed,the substance may change its appearance or physical state.

chemical change is a change in which new substance with different properties is formed.

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