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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

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")to 2CaO + O_2 + 4NO_2`
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MODERN PUBLICATION-S-BLOCK ELEMENTS ( ALKALI AND ALKALINE EARTH METALS ) -NCERT FILE ( NCERT Exemplar Problems ( Multiple Choice Questions -I) )
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  2. The reducing power of a metal depends on various factors. Suggest the ...

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  3. Metal carbonates decompose on heating to give metal oxide and carbon d...

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  4. Which of the carbonates given below is unstable in air and is kept in ...

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  5. Metals form basic hydroxides. Which of the following metal hydroxide i...

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  6. Some of the Group 2 metal halides are covalent and soluble in organic ...

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  7. The order of decreasing ionisation ethalpy in alkali metals is

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  8. The solubility of metal halides depends on their nature, Lattice entha...

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  9. Amphoteric hydroxides react with both alkalies and acids. Which of the...

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  10. In the synthesis of sodium carbonate, the recovery of ammonia is done ...

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  11. When sodium is dissolved in liquid ammonia, a solution of deep blue co...

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  12. By adding gypsum to cement

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  13. Dead burnt plaster is .

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  14. Suspension of slaked lime in water is known as

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  15. Which of the following elements does not form hydride by direct heatin...

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  16. The chemical formula of soda ash is

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  17. A substance which gives a brick red flame and breaks down on heating t...

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  18. Which of the following statements is true about Ca(OH)(2)?

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  19. A chemical A is used for the preparation of washing soda to recover am...

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  20. Dehydration of hydrates of halides of calcium, barium and strontium i....

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