Home
Class 11
CHEMISTRY
1.2g of Mg (At. mass 24) will produce Mg...

1.2g of Mg (At. mass 24) will produce MgO equal to

A

0.05mol

B

40g

C

40mg

D

4g

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • STOICHIOMETRY

    AAKASH SERIES|Exercise Objective Exercise -2|179 Videos
  • STOICHIOMETRY

    AAKASH SERIES|Exercise Objective Exercise -3|14 Videos
  • STOICHIOMETRY

    AAKASH SERIES|Exercise Subjective Exericise -5 (Very short answer questions)|4 Videos
  • STATES OF MATTER

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE -3|19 Videos

Similar Questions

Explore conceptually related problems

In the experiment of “To prove law of conservation of mass”, Manoj found that weight of ‘Mg’ in a closed test tube is not equal to the weight of ‘MgO’ after burning. The reason may be

How many grams of O_2 is required for combustion of 480 grams of m Mg? Find the mass of ‘MgO’ formed in this reaction.

If 0.740 g of O_(3) reacts with 0.670 g of NO , how many gram of NO_(2) will be produced ?

In Haber's process 50.0 g of N_(2)(g) and 10.0 g of H_(2)(g) are mixed to produce NH_(3)(g) . What is the number of moles of NH_(3)(g) formed?

30 g of marble stone on heating produced 11g of CO_2. The percentage of CaCO_3 in marble is

Is it true that under certain conditions, Mg can reduce SiO_2 and Si canreduce MgO? What are those conditions?

5 kg of water contain 24 mg of MgSO_4 and 32.4 mg of Ca(HCO_3)_2 . The total hardness of water is

Statement (A) Mg can reduce Al_(2)O_(3) above 1350^(@)C . Statement (B) Al can reduce MgO below 1350^(@) C. The correct answer is

AAKASH SERIES-STOICHIOMETRY-Objective Exercise -1
  1. What is the weight of oxygen that is required for the complete combust...

    Text Solution

    |

  2. Xg of Ag was dissolved in HNO3 and the solution was treated with exces...

    Text Solution

    |

  3. 1.2g of Mg (At. mass 24) will produce MgO equal to

    Text Solution

    |

  4. 30 g of marble stone on heating produced 11g of CO2. The percentage of...

    Text Solution

    |

  5. The weight of oxygen required to completely react with 27g  of Al is

    Text Solution

    |

  6. The number of moles of CO(2) produced when 3 moles of HCl react with e...

    Text Solution

    |

  7. The weight of a pure sample of KCIO(3) to be decomposed in order to ge...

    Text Solution

    |

  8. 6g of Mg reacts with excess of an acid. The amount of hydrogen produce...

    Text Solution

    |

  9. The number of moles of Fe(2)O(3) formed when 5.6 lit of O(2) reacts wi...

    Text Solution

    |

  10. What volume of H(2) at NTP is required to convert 2.8g of N(2) in to N...

    Text Solution

    |

  11. The number of P-OH bonds present in pyrophosphoric acid and hypophosph...

    Text Solution

    |

  12. The volume of CO(2) obtained by the complete decomposition of one mole...

    Text Solution

    |

  13. Aluminium reacts with hydrogen chloride to produce H2 according to the...

    Text Solution

    |

  14. A peroxidase enzyme contains 2% selenium(Se=80). The minimum molecular...

    Text Solution

    |

  15. The amount of Mg in gms. to be dissolved in dilute H(2)SO(4) to libera...

    Text Solution

    |

  16. The mass of 80% pure H(2)SO(4) required to completely neutralise 60g o...

    Text Solution

    |

  17. Haemoglobin contains 0.33% iron (Fe=56). The molecular weight of haemo...

    Text Solution

    |

  18. The number of moles of KI required to produce 0.4 mole K(2)HgI(4) is

    Text Solution

    |

  19. The number of molecules of CO(2) liberated by complete combustion of 0...

    Text Solution

    |

  20. 5 g of a sample of magnesium carbonate on treatment with excess of dil...

    Text Solution

    |