Question

An example of physical change is

Photosynthesis by plants
Digestion of food
Burning of wood
Magnetisation of iron
Please tell which option is correct​

Answer 1

Answer:

options C) magnetisation of iron is correct answer

Answer 2

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ᴏᴘᴛɪᴏɴ { ᴄ } ᴍᴀɢɴᴇᴛɪsᴀᴛɪᴏɴ ᴏғ ɪʀᴏɴ

Magnetization of iron is a physical change and not a chemical change as there is no change of state, no change of temperature, no smell and no evolution of gas. It is because: - No Chemical process is involved. - After demagnetizing the iron it will lose its magnetic power.

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