Home
Class 12
CHEMISTRY
Calcium is obtained by the...

Calcium is obtained by the

A

1

B

4

C

5

D

2

Text Solution

Verified by Experts

The correct Answer is:
4

`{:(,2NO,+,o_(2)(g),rarr,2NO_(2)(g)),("moles",2,,0.5,,0),(,2-2xx0.5,,0,,2xx0.5),(,1,,0,,1),(,n_(f)=1+1,,,,n_(f)=2+0.5),( :. ,Deltan=(2.5-2),=0.5"moles",,,),( :. ,"change in pressure",,,,):} `
`Deltap=(DeltanRT)/(V)=0.5xx(1)/(12)xx(3300)/(8.25)=2atm`
Promotional Banner

Topper's Solved these Questions

  • METALLURGY

    RESONANCE ENGLISH|Exercise INORGANIC CHEMISTRY(Metallurgy)|42 Videos
  • METALLURGY

    RESONANCE ENGLISH|Exercise ORGANIC CHEMISTRY(Alkyl Halide, Alcohol,Phenol,Ether)|17 Videos
  • IUPAC NOMENCLATURE & STRUCTURAL ISOMERISM

    RESONANCE ENGLISH|Exercise Advanced Level Problems Part-5|2 Videos
  • NITROGEN & OXYGEN FAMILY

    RESONANCE ENGLISH|Exercise Part-III Practice Test-2 (JEE (Advanced Pattern))|23 Videos

Similar Questions

Explore conceptually related problems

Calcium is extracted by the electrolysis of :

Calcium nitrate decomposes on heating according to the equation : 2Ca(NO_3)_(2)to2CaO+4NO_(2)+O_(2) The relative molecular mass of calcium nitrate is 164. Calculate : the weight of calcium oxide obtained when 16.4 g of calcium nitrate is heated to constant weight. (Ca = 40, O = 16, N = 14)

Calcium occurs in

Calcium carbide is obtained when.

How many grams of calcium oxide is obtained on heating 100 g of CaCO_(3)(s) ?

S_(2) : Plaster of paris is a hemihydrate of calcium sulphate obtained by heating the gypsum above 393K . S_(2) : Sodium carbonate is used in water softening. S_(4) : The order of mobilities of the alkali metal ions in aqueous solutions is Li^(+)gtNa^(+)gtK^(+)gtRb^(+)gtCs^(+)

Calcium carbonate decomposes on heating to give calcium oxide and carbon dioxide. How much volume of CO_2 will be obtained by thermal decomposition of 50g CaCO_3 ?

Assertion: Plants absorb calcium from soil in the form of calcium ions (Ca^(2+)) Reason: Calcium is required by meristematic and differentiating tissues.

Calcium oxide is

Name the products obtained by: heating calcium formate

RESONANCE ENGLISH-METALLURGY-ORGANIC CHEMISTRY(Alkyl Halide, Alcohol,Phenol,Ether)
  1. Calcium is obtained by the

    Text Solution

    |

  2. In purification of bauxite ore, it is mixed with coke and heated at 18...

    Text Solution

    |

  3. If wavelength of photon is 1.1×10 ^(−11) m, h=6.6×10 ^(−34)Jsec, then...

    Text Solution

    |

  4. Identify X and Y in the following reactions . PbS underset("in air")...

    Text Solution

    |

  5. If wavelength of photon is 2.2×10 ^(−9) m, h=6.6×10 ^(−34)Jsec, then ...

    Text Solution

    |

  6. Which of the following statements is incorrect ?

    Text Solution

    |

  7. If wavelength of photon is 3×10 ^(−18) m, h=6.6×10 ^(−34)Jsec, then m...

    Text Solution

    |

  8. The sulfide ores are generally concentrated by

    Text Solution

    |

  9. Which one of the following sulphide ores is concentrated by chemical l...

    Text Solution

    |

  10. NaCN is sometimes added in the forth floatation process as depressant ...

    Text Solution

    |

  11. Which of the following process is related with the removal of sulphur ...

    Text Solution

    |

  12. Consider the following statements : Roasting is carried out to : 1...

    Text Solution

    |

  13. Main source of lead is galena (PbS). It is converted to Pb by : S...

    Text Solution

    |

  14. The chemical composition of slag formed during the smelting process in...

    Text Solution

    |

  15. Pb and Sn are extracted from their chief ore respectively by

    Text Solution

    |

  16. Poling process :

    Text Solution

    |

  17. In the process of extraction of gold , Roasted gold ore + CN((aq))^...

    Text Solution

    |

  18. In electrorefining the impure metal is made

    Text Solution

    |