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The percentage of nitrogen in Magnesium ...

The percentage of nitrogen in Magnesium nitride is

A

14

B

28

C

42

D

56

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The correct Answer is:
B
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AAKASH SERIES-STOICHIOMETRY-OBJECTIVE EXERCISE - 2
  1. An alkane has C/H ratio (by mass) of 5.1428. Its molecular formula is

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  2. Analysis of a compound yields the following percentage composition. 65...

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  3. The percentage of nitrogen in Magnesium nitride is

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  4. The percentage of silica in sodium silicate is approximately (Si=28)

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  5. The mass of water (in grams) in one mole of crystalline hypo is

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  6. 0.66 g of a compound gave 112 ml of nitrogen at STP in the Dumas metho...

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  7. 0.36g of an organic compound on combustion gave 1.1g of CO(2) and 0.54...

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  8. 60g of a compound on analysis gave C=24g, H=4g and O=32g. Its empirica...

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  9. A gaseous alkane requires five times its volume of oxygen under the sa...

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  10. Four grams of hydrocarbon (C(x)H(y)) on complete combustion gave 12gra...

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  11. A carbon compound contains 12.8% Carbon, 2.1% Hydrogen, 85.1% Bromine....

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  12. An organic compound haavig C, H and O has 13.13% H, 52.14% C and 34.73...

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  13. An organic compound contains C = 40%, H = 13.33% and N = 46.67%. Its e...

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  14. Suppose the elements X and Y combine to form two compounds XY(2) and X...

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  15. The volume of 0.025M Ca(OH)(2) solution which can neutralise 100 ml of...

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  16. The number of ions present in 1 ml of 0.1M CaCl(2) solution is

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  17. The molality of 2% (W/W) NaCl solution nearly

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  18. 100 ml of 2M HCI solution completely neutralises 10 g. of a metal carb...

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  19. The Molarity of 200 ml of HCl solution which can neutralise 10.6 g. of...

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  20. What is the weight (in g) of Na(2) CO(3) (molar mass= 106) present in ...

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