Question

why Na2CO3 flame used in charcoal cavity test​

Answer 1

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Why is Na2CO3 used in charcoal cavity test in qualitative analysis in chemistry ?

Certain metal compounds get converted to metals by the reaction with sodium carbonate and carbon in presence of a reducing flame and imparts certain colours to the charcoal. So it's an indication for presence metals.

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Answer 2

Answer:

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Explanation:

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