1.

When a student added zinc granules to dilute HCl, a colurless and odourless gas was evolved. When it was tested with a burning match stick, it was observation that :

Answer»

The match STICK CONTINUED to burn brilliantly
The match stick burnt SLOWLY with a blue flame
The match stick EXTINGUISHED and the GAS burnt with pop sound
The match stick burnt with an orange flame

Solution :The match stick extinguished and the gas burnt with pop sound


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