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n g of substance X reacts with mg of sub...

n g of substance X reacts with mg of substance Y to form p g of substance R and q g of substance S . This reaction can be represented as , X + Y = R + S . The relation which can be establish in the amounts of the reactants and the products will be

A

n-m=p-q

B

n+m=p+q

C

n=m

D

p=q

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The correct Answer is:
B
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AAKASH SERIES-STOICHIOMETRY-Objective Exercise -2
  1. Hydrogen combines with oxygen to form H(2)O in which 16 g of oxygen co...

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  2. Two elements X and Y have atomic weight of 14 and 16 . They form a ser...

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  3. n g of substance X reacts with mg of substance Y to form p g of substa...

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  4. A sample of calcium carbonate (CaCO(3)) has the following percentage c...

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  5. One mole of CH(4) contains

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  6. The number of molecules in one litre of water is (density of water = 1...

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  7. The number of water molecules in a drop of water weighing 5 mg is

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  8. The mass of oxygen required to prepare 2 moles of water is

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  9. The ratio between the number of molecules in equal masses of CH(4) and...

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  10. The number of sulphur atoms present in 0.2 mole of sodium thiosulphate...

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  11. The number of nitrogen molecules present in lc.c of gas at NTP is

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  12. The density of water is 1g/mL. Assuming that there are no intermolecul...

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  13. Oridinary water contain one part of heavy water per 6000 parts of wate...

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  14. A gaseous mixture contains oxygen and nitrogen in the ratio 1:4 by wei...

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  15. An alpha-particle changes into a Helium atom. In the course of one yea...

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  16. The number of oxygen atoms present in 50 g of calcium carbonate is

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  17. The mixture containing the same number of molecules as that of 14 g of...

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  18. The number of atoms of hydrogen present in 1.5 mole of H(2)O is

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  19. Which of the following contains the maximum number of atoms?

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  20. Which contains more number of molecules?

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