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A substance which gives brick red flame ...

A substance which gives brick red flame and breadks down on heating to give oxygen and a brown gas, is

A

magnesium nitrate

B

calcium nitrate

C

barium nitrate

D

strontium nitrate

Text Solution

Verified by Experts

The correct Answer is:
b
Brick red colour is given by Ca which `O_(2)` and brown colour are given by `NO_(2)` group.
`2Ca(NO_(3))_(2)overset(Delta)rarr2CaO+O_(2)+4NO_(2)`
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