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Acetylene can be prepared from calcium c...

Acetylene can be prepared from calcium carbonate by a series of reactions. The mass of 80% calcium carbonate required to prepare 2 moles of acetylene is

A

200g

B

160g

C

250g

D

320g

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-STOICHIOMETRY-Objective Exercise -2
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  2. X litre of carbon monoxide is present at mSTP. It is completely oxidi...

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  3. Acetylene can be prepared from calcium carbonate by a series of reacti...

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  4. Sodium carbonate of 92% purity is used in the reation Na(2)CO(3)+CaCl(...

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  5. Liquid benzene burns in oxygen according to 2C(6)H(6)(1)+150(2)(8) to1...

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

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  7. Number of moles of KMnO(4) required to oxidize one mole of Fe(C(2)O(4)...

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  8. 4.9 g of H2SO4 decompedes x.g of NaCl to give 5g of sodium hydrogen su...

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  9. Weight of one C(60)H(122) molecule is

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  10. If 5 ml of methane is completely burnt the volume of oxygen required a...

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  11. How many moles of acidified FeSO(4) can be completely Oxidised by one ...

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  12. A mixture of methane and ethylene in the volume ratio x : y has a tota...

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  13. One litre of a mxiture of CO and CO(2) is passed over red hot coke whe...

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  14. The atomic masses of two elements A and B are 20 and 40 respectively. ...

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  15. In the formation of Al(2)O(3) from Al and O(2), if 1.5 mole of oxygen ...

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  16. The weight of MgCO(3) required for the preparation of 12g of MgSO(4) b...

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  17. 100ml of KMnO4 salution is exactly reduced by 100ml of 0.5 M oxalic ac...

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  18. 314.000 has how many significant figures?

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  19. The nuclear cross section is measured in barn'. It is equal to

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  20. The prefix femto stands for

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