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CHHAYA PUBLICATION-HYDROGEN-SHORT-TYPE QUESTIONS
- Give example of a reaction in which H(2)O acts oxidising agent.
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- How can the hardness of water be expressed?
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- Hard water cannot be used in boilers -why?
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- It is necessary to use calculated amount of lime for the removal of te...
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- Explain why water is called'universal solvent'.
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- What is heavy water? Why is it so called? How can it be prepared?
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- Which one will readily undergo electrolysis? H(2)O, D(2)O .
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- Explain the structure of the common form of ice.
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- Describe some unusual properties of water.
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- H(2)O(2) has both oxidising and reducing properties-why?
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- The boiling point of H(2)O(2) is higher than that of H(2)O - why?
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- Water and hydrogen peroxide are kept in two separate bottles. How will...
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- How does H(2)O(2) display its bleaching property?
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- In the preparation of H(2)O(2), "MnO"(2) or "PbO"(2) cannot be used i...
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- Why is H(2)O(2) used to restore the original colour of oilpaintings?
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- Explain why a solution of H(2)O(2) cannot be stored in an ordinary gl...
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- What do you mean by 'x volume' H(2)O(2)solution?
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- Explain why in the laboratory preparation of H(2)O(2) : It is better...
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- How can H(2)O(2) be preserved in the laboratory?
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- What are the limitations of the process used for the laboratory prepar...
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