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The efficiency of a boiler is found to d...

The efficiency of a boiler is found to decrease when boiler scales are formed.Write the chemistry of scale formation?

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MAXIMUM PUBLICATION-Hydrogen-EXERCISE
  1. Explain why hydrogen peroxide is not stored in glass vessels.

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  2. What is calgon? What is its use?

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

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

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  5. Account for the following observations: i) The density of ice is lower...

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  6. Justify the position of hydrogen in the periodic table

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  7. Vegetable oil is converted into vanaspati fat by …………………….. process.

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  8. D2O is generally called.......

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

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

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  11. Draw the structure of hydrogen peroxide

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

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

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

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  15. Suggest a disadvantage of hard water.

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

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

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

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

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  20. About 18% of the total production of dihydrogen is from coal. What is ...

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