The alkaline earth metal that imparts apple green colour to the bunsen flame when introduced in it in the form of its chloride is
Barium
Strontium
Calcium
Magnesium
As we have learnt,
imparts green colour to the flame.
imparts brick red colour to the flame
imparts crimson colour to the flame
does not impart any colour to the flame
Hence, the correct answer is Option (1)
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