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Certain samples of water do no produce e...

Certain samples of water do no produce easy lather with soap. Suggest two methods to change this condition of water

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Certain samples of water do no produce easy lather with soap. Which are two types of of this condition?

Certain samples of water do no produce easy lather with soap. What are the problems caused by this condition of water?

Certain samples of water do no produce easy lather with soap. What is this condition of water called?

Hard water does not give ready leather with soap. Suggest one method to remove hardness.

Hard water does not give ready leather with soap. What are the two types of hardness?

A sample of river water does not give lather with soap easily when it is cold, but on heating gives ready lather with soap. Why?

A sample of cold river water does not easily give lather with soap, but on boiling it does. In some cases the water does not give ready lather even if it is boiled. Why?

A sample of cold river water does not easily give lather with soap, but on boiling it does. Evaluate and write the chemical equation involved

Soap does not give lather with hard water. Why?

MAXIMUM PUBLICATION-Hydrogen-EXERCISE
  1. Certain samples of water do no produce easy lather with soap. What is ...

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  2. Certain samples of water do no produce easy lather with soap. Which ar...

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  3. Certain samples of water do no produce easy lather with soap. Suggest ...

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  4. Certain samples of water do no produce easy lather with soap. What are...

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  5. A list of compounds are given below: (H2O, HCI, CH4) Construct chemica...

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  6. What is syn gas? How is it prepared?

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  7. What is coal gasification?

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  8. Explain water gas shift reaction.

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  9. Write the names of isotopes of hydrogen. What is the mass ratio of the...

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  10. Why does hydrogen occur in a diatomic fom rather than in a monoatomic ...

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  11. How do you expect the metallic hydrides to be useful for hydrogen stor...

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  12. What causes the temporary and permanent hardness of water?

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  13. Write chemical reactions to show amphoteric nature of water.

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  14. Is demineralised or distilled water useful for drinking purposes? If n...

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  15. How does H2O2, behave as a bleaching agent?

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  16. What is heavy water? Mention one use of heavy water.

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  17. Explain why hydrogen peroxide is not stored in glass vessels.

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  18. What is calgon? What is its use?

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  19. The efficiency of a boiler is found to decrease when boiler scales are...

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  20. The efficiency of a boiler is found to decrease when boiler scales are...

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