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The reaction of which of the following g...

The reaction of which of the following groups 2 elements with oxygen is used to start a thermite reaction with A1?

A

Be

B

Mg

C

Ca

D

Sr

Text Solution

Verified by Experts

The correct Answer is:
B
Mg burns with dazzling brilliance in air and evoles a lot of heat. This is used to start a thermite reaction with A1 and also to provide light in flash photography using light bulbs, not electronics.
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