Home
Class 12
CHEMISTRY
A 0.6gm sample consisting of only CaC(2)...

A 0.6gm sample consisting of only `CaC_(2)O_(4)` and `MgC_(2)O_(4)` is heated at `500^(@)C`gets converted into `CaCO_(3)` and `MgCO_(3)`. The sample then weighed 0.465gm. If the sample had been heated to `900^(@)C` where the products are CaO and MgO, then what would the mixture of oxides weigh?

A

0.12g

B

0.21g

C

0.252g

D

0.3g

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 5

    KVPY PREVIOUS YEAR|Exercise EXERCISE|23 Videos

  • MOCK TEST 7

    KVPY PREVIOUS YEAR|Exercise EXERCISE|26 Videos

Similar Questions

Explore conceptually related problems

0.6 gm of carbon was converted into CO_(2) producing 4800 calorie of heat. When 0.6 gm of C converted to CO 1450 calories of heat was produced. What will be heat produced when 1.4 gm of CO is converted to CO_(2) .

KVPY PREVIOUS YEAR-MOCK TEST 6-EXERCISE
  1. In the following reactions,

    Text Solution

    |

  2. Potassium has a bcc structure with nearest neighour distance 4.52 Åits...

    Text Solution

    |

  3. A 0.6gm sample consisting of only CaC(2)O(4) and MgC(2)O(4) is heated ...

    Text Solution

    |

  4. Formation of polyethylene from calcium carbide takes place as follows ...

    Text Solution

    |

  5. Which of the following, when mixed, will give a solution with pHgt7 ?

    Text Solution

    |

  6. Calculate the freezing point of a solution containing 8.1 g of HBr in ...

    Text Solution

    |

  7. Consider the following reactions: MX(4)+X'(2) to MX(4)X(2)' If ato...

    Text Solution

    |

  8. A compound 'X' on ozonolysis followed by reduction gives an aldehyde, ...

    Text Solution

    |

  9. The correct order of magnetic moments (spin values in B.M.) among is:

    Text Solution

    |

  10. The ammonia evolved from the treatment of 0.03 g of an organic compoun...

    Text Solution

    |

  11. In an electrolysis experiment, current was passed for 5h through two c...

    Text Solution

    |

  12. Based on the given diagram, which of the following statements regardin...

    Text Solution

    |

  13. The rate constant for the decomposition of a certain substance is 2.8...

    Text Solution

    |

  14. Which of the following combination will produce H(2) gas ?

    Text Solution

    |

  15. For the following molecules : PCl(5), BrF(3), IC l(2)^(-), XeF(5)^(-...

    Text Solution

    |

  16. Which of the following expression is correct for packing fraction of N...

    Text Solution

    |

  17. Two metals X and Y form covalent halides.Both halides can act as Lewis...

    Text Solution

    |

  18. Among [Ni(CO)(4)], [NiCl(4)]^(2-), [Co (NH(3))(4) Cl(2)] Cl, Na(3) [C...

    Text Solution

    |

  19. A mixture of CuSO(4).5H(2)O" and "MgSO(4). 7H(2)O was heated until all...

    Text Solution

    |

  20. For the reaction Ag(CN)(2)^(ɵ)hArr Ag^(o+)+2CN^(ɵ), the K(c ) at 25^...

    Text Solution

    |