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CHHAYA PUBLICATION-HYDROGEN-WARM UP EXERCISE
- The chemical properties of the isotopes are identical but they chemica...
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- How can tritium be synthesised artificially? How can it be stored ? St...
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- State one important use of deuterium.
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- How can dihydrogen be prepared in the laboratory?
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- Although Fe is placed above hydrogen in the electrochemical series, di...
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- Why commercial variety of zinc is used instead of pure zinc in the lab...
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- Concentrated sulphuric acid cannot be used in the laboratory perparati...
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- Name a metal and a non-metal which on reaction with alkali liberates d...
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- Give an example and formula of a compound which on electrolysis libera...
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- Name two metals which can replace hydrogen from acid.
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- How can one prepare H(2) gas from water by using a reducing agent?
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- Write the industrial preparation of dihydrogen from water.
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- Explain why dihydrogen is relatively inert at room temperature.
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- Give example of two reaction one in which H(2) acts as on oxidising ag...
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- What do you mean by hardening of oils?
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- Show that the reactivity of halogens towards dihydrogen decreases on g...
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- Name two compounds, in one of which hydrogen is in + 1 and in the othe...
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- Explain why the chemical properties of ortho and para-hydrogen are the...
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- What is nascent hydrogen?
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- Show that nascent hydrogen is more active than ordinary molecular hydr...
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