Question

Classify the following changes as physical or chemical changes:

a) Growth of a plant

b) Burning of fire crackers

c) Making ghee from butter

d) Chopping wood

e) Cutting of vegetables

f) Cooking of vegetables

g) Drying the clothes

h) Melting of ice

i) Burning of sugar

j) Dissolution of sugar​

Answer 1

Answer:

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Answer 2

Answer:

Solution 1:

(a) Photosynthesis - Chemical change

(b) Dissolving sugar in water - Physical change

(c) Burning of coal - Chemical change

(d) Melting of wax - Physical change

(e) Beating aluminium to make aluminium foil - Physical change

(f ) Digestion of food - Physical change