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State whether True or False:- A woulfe...

State whether True or False:-
A woulfe bottle is necessary for prepartion of hydrogen.

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JNAN PUBLICATION-KNOW ABOUT SOME COMMON GASES (OXYGEN AND HYDROGEN)-EXAMPLE
  1. State whether True or False:- Hydrogen is heavier than air.

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  2. State whether True or False:- Hydrogen is used in production of ammo...

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  3. State whether True or False:- A woulfe bottle is necessary for prepa...

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  4. State whether True or False:- Hydrogen gas does not help in burning.

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  5. State whether True or False:- Manganese dioxide is required for prep...

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  6. Fill in the blanks: Hydrogen is necessary in many industries.

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  7. The industrial world gets its requirement of oxygen from .

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  8. State whether True or False:- Aluminium reacts with oxygen and produ...

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  9. Fill in the blanks:- Colourless nitric oxide gas is oxdized to brown...

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  10. State whether True or False:- The main use of hydrogen is in the pro...

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  11. State whether True or False:- Air is about 14.4 times havier than .

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  12. State whether True or False:- Hydrogen does not help in burning but ...

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  13. State whether True or False:- Platinum can absorb gas at normal tem...

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  14. Match the following:-

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  15. What does the decomposition of H2O2 produce?

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  16. What is the chemical symbol of hydrogen?

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  17. What is the specific gravity of hydrogen?

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  18. How is hydrogen detected?

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  19. Is hydrogen water soluble?

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  20. What is the specific gravity of oxygen?

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