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Calculate the mass of zinc required to p...

Calculate the mass of zinc required to produce enough hydrogen to reduce completely 6.7 g of copper oxide of copper ?

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The correct Answer is:
(i) 0.169 g (ii) 5.493 g
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MBD PUBLICATION-BASIC CONCEPT OF THEORY-QUESTION BANK
  1. Calculate the mass of iron required to be converted into its oxide (Fe...

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  2. Calculate the amount of chlorine required to completely react with 4.5...

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  3. Calculate the mass of zinc required to produce enough hydrogen to redu...

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  4. Calculate the volume of CO2 at NTP produced. By complete combustion of...

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  5. What is the volume of CO2 at NTP produced from 10 gm of pure limesto...

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  6. Calculate the volume of hydrogen at NTP produced, when 6 gm of magnesi...

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  7. Calculate the volume of hydrogen evolved at 400K and 700 mm pressure b...

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  8. Calculate the volume of air at N.T.P. containing 20% of oxygen by volu...

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  9. KClO3 on heating decomposes to give KCl and O2 What is the volume of O...

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  10. What amount of KClO3 is required to supply oxygen which is required fo...

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  11. What volume of HCl gas formed when 10 litre of H2 gas is allowed to co...

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  12. What is the volume of oxygen at N.T.P. needed to cause complete combus...

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  13. What is the volume of oxygen at N.T.P. needed to cause complete combus...

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  14. One litre of a mixture of carbon mono oxide and carbon dioxide is pass...

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  15. 1 litre of oxygen at N.T.P. is allowed to react with three times of c...

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  16. A gaseous mixture of 3L of propoane and butane on complete combustion ...

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  17. What is the SI unit of surface tension ?

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  18. What is the si unit of viscosity?

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  19. Which of the following is an element?

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  20. Define molecule.

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