Question

# A notebook has lustre while eraser does not.

A
True
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B
False
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Solution

## The correct option is B FalseLustre:Metals have the property to display lustre.Lustrous is a property of metals due to which they have shiny surfaces due to the reflection of light from the surface.The intensity of the lustre depends upon the amount of light reflected from the surface, which is generally related to the refractive index of the material.As a notebook and an eraser are non-metal, therefore they do not have lustre.Notebooks are made up of paper which is derived from wood pulp and contains Carbon, $\left(\mathrm{C}\right)$ a non-metal.Erasers are polymers derived from Carbon as a major raw material that is also non-metal.Exception: Certain forms of Carbon like graphite and diamond exhibit lustre.Therefore, the given statement is False.

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