Home
Class 12
CHEMISTRY
The precentage composition of calcium , ...

The precentage composition of calcium , carbon and oxygen in `C_(a) CO_(3)` respectively are

A

40% , 12% and 48%

B

12% , 40% and 48%

C

40% , 48% and 12%

D

12% , 48% and 40%

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SOME BASIC CONCEPTS OF CHEMISTRY

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION B (Objective Type Questions (One option is correct))|25 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION C (Objective Type Questions (More than one options are correct))|11 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    AAKASH INSTITUTE|Exercise TRY YOURSELF|60 Videos

  • SOME BASIC CONCEPT OF CHEMISTRY

    AAKASH INSTITUTE|Exercise ASSIGNMENT( SECTION - D) Assertion-Reason Type Questions|15 Videos

  • STATES OF MATTER

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-D)|15 Videos

Similar Questions

Explore conceptually related problems

Calcium carbonate is

The percentage composition composition of carbon in urea, [CO(NH_(2))_(2)] is

Write two uses of calcium carbonate.

Name three forms of calcium carbonate .

If the law of constant compositon is true, what weights of calcium carbon, and oxygen are present in 1.5 g of calcium carbonate, if a sample of calcium carbonate from another source contains the following percentage composition: Ca = 40.0%, C = 12.0% , and O = 48.0% ?

How calcium carbonate is prepared?

Find the percentage of calcium in calcium carbonate (CaCO_(3)) .

What is the percentage of calcium in calcium carbonate (CaCO_(3)) ?

AAKASH INSTITUTE-SOME BASIC CONCEPTS OF CHEMISTRY -ASSIGNMENT SECTION A (Objective Type Questions (One option is correct))
  1. Carbon and oxygen react in ratio 3 : 8 by mass to form CO(2) . What we...

    Text Solution

    |

  2. Molecular mass of C(3) H(7) OH is

    Text Solution

    |

  3. If an atom of an element has twice the mass of C-12 , then its atomic ...

    Text Solution

    |

  4. Formula unit mass of K(2) CO(3) is (Atomic mass of K = 39 u , C = 1...

    Text Solution

    |

  5. The number of moles of nitrogen atom in 56 g nitrogen is

    Text Solution

    |

  6. The number of mole of N - atom in 18.066 x 10 ^(23) nitrogen atoms is

    Text Solution

    |

  7. The number of particles presents in 1 mol of nitrogen atom are

    Text Solution

    |

  8. Molality is expressed in units of

    Text Solution

    |

  9. Which of the following is correct ?

    Text Solution

    |

  10. What weight in grams is represented by 1.5 moles of sulphur dioxide ?

    Text Solution

    |

  11. The number of atoms in 20 g of SO(3) is approximately

    Text Solution

    |

  12. A solution is prepared by dissolving 10 g of KOH in 100 ml of solution...

    Text Solution

    |

  13. How many moles of sodium chloride present in 250 mL of a 0.50 M NaCl s...

    Text Solution

    |

  14. Calculate the molality of solution containing 3 g glucose dissolved in...

    Text Solution

    |

  15. Which of the following methods of expressing concentration varies with...

    Text Solution

    |

  16. Which of the following is incorrect according to Dalton's atomic theor...

    Text Solution

    |

  17. What is the molarity of NaOH solution if 250 mL of it contains 1 mg of...

    Text Solution

    |

  18. The percentage of nitrogen in HNO(3) is

    Text Solution

    |

  19. The precentage composition of calcium , carbon and oxygen in C(a) CO(3...

    Text Solution

    |

  20. The correct relationship between molecular mass (M) and vapour (VD) is

    Text Solution

    |