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The formula which represents the sample ...

The formula which represents the sample ratio of atoms in a compound is called:

A

emprirical formula

B

molecular formula

C

structural formula

D

rational formula

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The correct Answer is:
A
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OP TANDON-STOICHIOMETRY (CHEMICAL FORMULAE AND EQUATIONS )-OBJECTIVE QUESTIONS (LEVEL-A)
  1. The formula which represents the sample ratio of atoms in a compound i...

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  2. The empirical formula of a compound is CH. Its molecular weight is 78....

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  3. An organic compound on analysis gave C=5.45% , H=9.1% by mass. Its emp...

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  4. The chloric of a metal has the formula MCl(3). The formula of its phos...

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  5. The formula of chloric acid is HClO(3). The formula for calcium chlora...

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  6. An element A is tetravalent and another element B is divalent. The for...

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  7. A compound of aluminium and chlorine is compsed of 9.0g Al for every 3...

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  8. Two element A (at.wt.75) and B(at.wt.16) combine to yield a compound. ...

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  9. On analysis, a certain compound was found to contain iodine and oxygen...

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  10. The haemoglobin from the red blood corpuscles of most mammals contains...

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  11. 24.9 g of sodium thiosulphate (Mol.mass=249) is weighed by a chemist. ...

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  12. The mass of sulphuric acid needed for dissolving 3g magnesium carbonat...

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  13. 10mL of a solution of H(2)O(2) liberated 0.5 g of iodine from Kl solut...

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  14. The mass of CO, obtained when 60 g of calcium carbonate is treated wit...

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  15. The % loss in weight heating a pure sample of potassium chlorate (M. w...

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  16. The volume of oxygen required for complete oxidation of

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  17. 3 volumes of hydrogen are required to combine with one volume of nitro...

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  18. The percentage of nitrogen in urea is about:

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  19. If a mixture of 3 mol of H(2) and 1 "mole" of N(2) is completely conve...

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  20. The mass of residue left after strongly heating 1.38 g of silver carbo...

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