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State whether True or False: The actio...

State whether True or False:
The action of catalysts is called catalysis.

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JNAN PUBLICATION-MATTER(CHEMICAL REACTIONS)-EXAMPLE
  1. State whether True or False: Water is the only solvent.

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  2. State whether True or False: Kerosene and benzene can dissolve ionic...

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  3. State whether True or False: The action of catalysts is called catal...

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  4. State whether True or False: Most of the enzymes are protein in natu...

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  5. State whether True or False: Rusting of iron is a physical reacation...

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  6. State whether True or False: Combustion of yellow-coloured sulphur p...

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  7. State whether True or False: For extraction of metal from its ore, a...

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  8. State whether True or False: Oxidation can not occur alone in any re...

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  9. State whether True or False: A coating of synthetic enamel paint on ...

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  10. Fill in the blanks:- Chemical participating in a reaciton are called...

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  11. Fill in the blanks:- Renine is a breaking enzyme.

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  12. Fill in the blanks:- is neeed in combustion.

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  13. Fill in the blanks:- The supply of oxygen in atomosphere is due to .

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  14. Fill in the blanks:- Baking soda is an compound.

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  15. Fill in the blanks:- Susbtances that can speed up specific chemical ...

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  16. Fill in the blanks:- Ammonium makes the phenolpthalein solution.

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  17. Fill in the blanks:- Burning of any fuel is .

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  18. Match the following:

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  19. Give an example of a catalyst.

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  20. Give an example of positive catalyst.

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