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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