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The weight of oxygen required to complet...

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

A

8g

B

16g

C

32g

D

24g

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-STOICHIOMETRY-Objective Exercise -1
  1. 1.2g of Mg (At. mass 24) will produce MgO equal to

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  2. 30 g of marble stone on heating produced 11g of CO2. The percentage of...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  18. 5 g of a sample of magnesium carbonate on treatment with excess of dil...

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  19. Phosphine on decomposition produces phosphorus and hydrogen. When 100 ...

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  20. 0.00025 has how many significant figures?

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