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Question

The metal which gives brick red colour in flame test is :
calcium
radium
strontium
barium

A

barium

B

calcium

C

strontium

D

radium

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Solution

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Calcium metal gives brick red color in flame. It is due to the excitation of electrons by the thermal energy which is then followed by de-excitation of an electron to ground state along with the liberation of light in the visible range.

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