Question

4. Classify the following into physical and chemical changes.
curdling of milk
Baking of cake, melting of an ice-cream, burning a paper, boiling an egg, melting of way,
lighting a bulb, lighting a matchstick, formation of fog, formation of coal, formation of clouds,​

Answer 1

curdling.......... Chemical Change

baking........... Chemical Change

melting......... Physical

burning...... chemical

boiling...... chemical

melting....... physical

lighting....... physical

lighting a matchstik....... Chemical

formation......... physical

" of coal........ Chemical

" pf cloud's..... physical

Explanation:

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Answer 2

Answer:

physical change

melting of ice

lighting of bulb

formation of fog

formation of clouds

chemical change

curdling of milk

baking of cake

burning of paper

boiling of egg

lightning of matchstick

formation of coal

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