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V PUBLICATION-HYDROGEN-QUESTION BANK
- A sample of river water does not give lather with soap easily when it ...
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- Statues coated with white lead on long exposure to atmosphere turn bla...
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- What is water gas? How is it prepared?
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- Boiling point of H2O (373K) is very much higher than that of H2S (213 ...
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- A mixture of hydrazine and 'H2 O2' with Cu(II) catalyst is used as a r...
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- Explain the following statements giving appropriate reasons. i) Sea w...
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- Hydrogen forms three type of bonds in its compounds. Describe each typ...
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- Name one example of a reaction in which dihydrogen acts as (i) an oxid...
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- a) Compare atomic hydrogen with nascent hydrogen.
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- Anhydrous 'BaO2' is not used for preparing 'H2 O2 .' Why?
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- Hydrogen forms compounds with elements having atomic number '9,11,12' ...
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- H2S is a gas at ordinary condition, while H2O is liquid. Account for t...
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- Why hard water is not used in industrial boilers for producing steam?
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- Outline the similarities of hydrogen with the 1st.group elements
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- In a science fair, a debate based on 'Position of Hydrogen in the peri...
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- In nuclear reactors, heavy water is used as 'moderator'. a. What is a...
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- Raju noticed that while washing clothes by using rain water collected ...
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- i. Hydrogen bonding is the cause for several peculiar properties of wa...
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- i. Dalda available in the market is prepared from vegetable oil. Write...
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- Soap does not give lather with hard water. Why?
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