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 Multiple Choice QuestionsShort Answer Type

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1. How does H+ ion exist in water?
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2.

Why does hydrogen occur in a diatomic form rather than in a monoatomic form under normal conditions?

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3. Give one example in which hydrogen acts as an oxidising agent.
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4.

Give laboratory Preparation of Dihydrogen ?

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5.

Name the substances in which hydrogen exhibits 0 and -1 oxidation states.

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6.

Name different isotopes of the element whose atomic number is 1.

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7.

Name one isotope of hydrogen which has no neutron.

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8.

Name a radioactive isotope of hydrogen.

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9.

Which isotope of hydrogen is used as a tracer in organic reactions ?

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10. Hydrogen is the lightest gas. Still its use in filling balloons has been discarded. Why?
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