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A substance X is a compound of s- block...

A substance X is a compound of `s-` block element, substance X give a violet color in flame test, X is `:`

A

`LiCl`

B

`MgCl`

C

`BaCl_(2)`

D

`KCl`

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The correct Answer is:
4
In the flame test of KCl gives violet color.
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