Home
Class 12
MATHS
X' grams of calcium carbonate was comple...

X' grams of calcium carbonate was completely burnt in air. The weight of the solid residue formed is 28 g. What is the value of "X'(in grams)?

A

50

B

150

C

300

D

200

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 2

    SIA PUBLICATION|Exercise Physics|15 Videos
  • MOCK TEST 1

    SIA PUBLICATION|Exercise PHYSICS|12 Videos
  • PAIR OF STRAIGHT LINES

    SIA PUBLICATION|Exercise PROBLEM|42 Videos

Similar Questions

Explore conceptually related problems

X grams of calcium carbonate was completely burnt in air.The weight of solid residue formet is 28g,.What is the value of X (in grams )?

50 grams of calcium carbonate was completely burnt in air. What is the weight (in grams) of the residue? Atomic weights of Ca, C and O are 40,12 and 16 respectively)

X grams of water is mixed in 69 g of ethanol. Mole fraction of ethanol in the resultant solution is 0.6. What is the value of X in grams?

X litre of carbon monoxide is present at mSTP. It is completely oxidised to CO_2 . Formed is 11.207 l. What is the vlue of X in litres?

1 kg of ethylene undergo polymerization completely, then the weight of polyethylene obtained is 10^x gm. What is x ?

15 grams of a mixture of calcium carbonate and sodium carbonate on ignition liberated a gas which has occupied 2.24L at STP. What is the weight ratio of components in the given mixture?

The boiling point of an aqueous solution is found to be 100.28^(@)C . Then the freezing point of the same solution is -X^(0)C . What is the value of 'X' ?

A 500g tooth paste sample has 0.2g fluoride concentration. The concentration of F^(-) ion in terms of ppm level is 100 xx X. What is the value of X ?

When 50 grams of sulphur was burnt in air, 4% of the impure residue is left over. Calculate the volume of air required at STP containing 21% of oxygen by volume.

SIA PUBLICATION-MOCK TEST 2-Chemistry
  1. Chlorination of toluene in presence of light and heat followed by trea...

    Text Solution

    |

  2. Molar ionic conductivities of a bivalent electrolyte are 57 and 73. Th...

    Text Solution

    |

  3. The forces operating between the adsorbate and the adsorbent in physic...

    Text Solution

    |

  4. Horn silver is

    Text Solution

    |

  5. Stainless steel does not rust because

    Text Solution

    |

  6. A polymer which is commonly used as a packaging material is

    Text Solution

    |

  7. Which compound/set of compounds is used in the manufacture of Nylon-6,...

    Text Solution

    |

  8. The pH value of a solution in which a polar amino acid does not migrat...

    Text Solution

    |

  9. The substances which affect the central nervous system and induce slee...

    Text Solution

    |

  10. Which is detected by carbylamine test?

    Text Solution

    |

  11. Acid catalyzed hydration of alkenes except ethane leads to the formati...

    Text Solution

    |

  12. 2, 2-dichloro propane treated with aq.KOH gives an unstable product. I...

    Text Solution

    |

  13. The process that does not yield an amine is

    Text Solution

    |

  14. Which one of the following compounds would undergo nitration with grea...

    Text Solution

    |

  15. In the chemical reaction, CH(3)CH(2)NH(2) + CHCl(3) + 3KOH rarr (A)+ (...

    Text Solution

    |

  16. X' grams of calcium carbonate was completely burnt in air. The weight ...

    Text Solution

    |

  17. 4 g of a hydrocarbon on complete combustion gave 12.571 g of Co, and 5...

    Text Solution

    |

  18. 10 grams of CaCO(3) is completely decomposed to x and CaO. 'x' is pass...

    Text Solution

    |

  19. 50 grams of calcium carbonate was completely burnt in air. What is the...

    Text Solution

    |

  20. 4 g of a hydrocarbon on complete combustion gave 12.571 g of Co, and 5...

    Text Solution

    |