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CHHAYA PUBLICATION-HYDROGEN-WARM UP EXERCISE
- Name the isotopes of hydrogen and state their mass ratio.
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- What is the source of solar energy?
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- Which isotope of hydrogen is most abundant and which one is radioactiv...
03:33
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- The chemical properties of the isotopes are identical but they chemica...
05:50
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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...
04:52
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- Why commercial variety of zinc is used instead of pure zinc in the lab...
03:10
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- Concentrated sulphuric acid cannot be used in the laboratory perparati...
04:26
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- Name a metal and a non-metal which on reaction with alkali liberates d...
02:36
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- Give an example and formula of a compound which on electrolysis libera...
03:18
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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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