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Hydrogen peroxide is an important chemic...

Hydrogen peroxide is an important chemical used in pollution control treatment of domestic and in dustrial effluents.Write the molecular formula of hydrogen peroxide.

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A N EXCEL PUBLICATION-HYDROGEN-QUESTION BANK
  1. Account for the following observations: i) The density of ice is lower...

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  2. Justify the position of hydrogen in the periodic table

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  3. Hydrogen peroxide is an important chemical used in pollution control t...

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  4. Draw the structure of hydrogen peroxide

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  5. Explain with suitable chemical equation, why hydrogen peroxide is stor...

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  6. Permanent hardness of water can be removed only by chemical methods. W...

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  7. Permanent hardness of water can be removed only by chemical methods. S...

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  8. How is sodium hexametaphosphate useful in removing the permanent hardn...

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  9. Suggest a disadvantage of hard water.

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  10. Hard water contains calcium and magnesium salts. Therefore it does not...

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  11. How will you remove the hardness from the water by using washing soda?

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  12. WhIch method is more suitable to get pure demineralised water?

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  13. Hydrogen peroxide is stored in plastic vessels in dark why?

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  14. What is coal gasification?

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  15. About 18% of the total production of dihydrogen is from coal. How is d...

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  16. Write any two uses of dihydrogen.

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  17. Water is an amphoteric substance. Justify

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  18. Hydrides are binary compounds of hydrogen with other elements. Give on...

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  19. H2O2 is a bleaching agtent. Why?

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  20. Complete the following reaction. (Zn(s) + NaOH(aq) rarr^(heat) ………………....

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