Question

2. Generally metals do not show their shine and appear dull. But we notice the lustre
on their freshly cut surface. Why? Explain briefly
MOTS​

Answer 1

Answer:

metals do not show shine and lustre because they react with atmospheric gases to form a thin impure layer on their surface.

On the other hand, when freshly cut metals show lustre because their surface has still not reacted and is pure, unlike general metals

Explanation:

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Answer 2

Explanation:

Because inner surface of metal does not react with any substance and does not be dusted

The cut surface is like a new form metal