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A substance which gives brick red flame ...

A substance which gives brick red flame and breaks 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
Calcium gives brick red colour and its nitrate breaks down to give `O_(2)` and brown gas, `NO_(2)`.
`2Ca(NO_(3))_(2)overset("heat")to2CaO+O_(2)+4NO_(2)`
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