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MAXIMUM PUBLICATION-Hydrogen-EXERCISE
- Is demineralised or distilled water useful for drinking purposes? If n...
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- How does H2O2, behave as a bleaching agent?
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- What is heavy water? Mention one use of heavy water.
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- Explain why hydrogen peroxide is not stored in glass vessels.
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- What is calgon? What is its use?
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- The efficiency of a boiler is found to decrease when boiler scales are...
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- The efficiency of a boiler is found to decrease when boiler scales are...
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- Account for the following observations: i) The density of ice is lower...
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- Justify the position of hydrogen in the periodic table
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- Vegetable oil is converted into vanaspati fat by …………………….. process.
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- D2O is generally called.......
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- Hydrogen peroxide is an important chemical used in pollution control t...
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- Explain with suitable chemical equation, why hydrogen peroxide is stor...
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- Draw the structure of hydrogen peroxide
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- Permanent hardness of water can be removed only by chemical methods. W...
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- Permanent hardness of water can be removed only by chemical methods. S...
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- How is sodium hexametaphosphate useful in removing the permanent hardn...
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- Suggest a disadvantage of hard water.
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- Hard water contains calcium and magnesium salts. Therefore it does not...
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- How will you remove the hardness from the water by using washing soda?
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