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State whether True or False:- Oxygen i...

State whether True or False:-
Oxygen is slightly heavier than air.

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JNAN PUBLICATION-KNOW ABOUT SOME COMMON GASES (OXYGEN AND HYDROGEN)-EXAMPLE
  1. Which of the following is chemical propertiy of hydrogen?

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  2. Which of the following material is required for preparation of hydroge...

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  3. State whether True or False:- Oxygen is slightly heavier than air.

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  4. State whether True or False:- Atomic oxygen is a powerful oxidizing ...

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  5. State whether True or False:- Hydrogen is indispensable in manufactu...

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  6. State whether True or False:- Oxygen is completely soluble in water.

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  7. State whether True or False:- Oxygen can combine directly with most ...

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  8. State whether True or False:- Hydrogen is heavier than air.

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

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

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

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

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

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

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

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

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

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

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

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

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