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Chemical Properties of Boron Family

Which of the ...

Question

Which of the following metals burn in air at high temperature with the evolution of much heat?

A

Cu

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B

Hg

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C

Pb

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D

Al

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Solution

The correct option is B Al
Aluminium burns in air and releases much high heat.

$4 A l + 3 O_{2} \to 2 A l_{2} O_{3}$ and releases much high heat.

Hence,option D is correct.

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