Question

Chalk, iron nail, wood, aluminium, candle, cotton usually look different from each other. Give some properties by which we can prove that these materials are different.

April 25, 2024

Answer

The given materials can be differentiated on the basis of lustre, hardness, softness, roughness or smoothness.

	Lustre	Hardness	Softness	Roughness	Smoothness
Chalk			✔	✔
Iron nail	✔	✔		✔
Wood		✔		✔
Aluminium	✔	✔			✔
Candle	✔		✔		✔
Cotton			✔		✔

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