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A substance which gives a brick red flam...

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

A

magnesium nitrate

B

calcium nitrate

C

calcium nitrate

D

strontium nitrate

Text Solution

Verified by Experts

The correct Answer is:
B
Brick red colour is given by Ca while `O_(2)` and brown gas are given by nitrate
`2Ca(NO_(3)) overset(Delta)to 2CaO + O_(2) uarr + 4NO_(2) uarr`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-S-BLOCK ELEMENTS-Exercise 2
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  5. Identify the correct statement.

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  11. A colourless salt X has 50% Na(2)SO(3) and 50% H(2)O . How much of SO(...

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  12. A sodium salt on treatment with MgCl(2) gives white precipitate only o...

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  15. NaOH can also be prepared by electrolysis of equeous NaCl. Amount of N...

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  19. A metal M readily forms its sulphate MSO(4) which is water soluble. It...

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