Chemistry Help needed!:-(

Qualification > Sciences

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hyebyekadal:
atttached paper Q5

Christy:
water droplets came from the solid X .... hence the water on the top of the test tube .... hence its hydrated

godfather93:
what i don't understand in the question is how is the salt a nitrate? (according to ms)

hyebyekadal:
water is not acidic is it?? then why does ph indicator show RED??/
also ms for the q is acidic gas..

Pharoah:
Nitrogen oxide is produced on heating which is acidic. Thus, litmus goes red.

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