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- The fluoride which does not exist is:
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- Which shows the least chemical reactivity:
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- XeF6 on complete hydrolysis gives:
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- The non-existent compound is:
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- The zero group members are collectively known as:
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- Density of nitrogen gas prepared from air is slightly greater than tha...
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- Which gas is filled in electric bulbs/tubes:
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- In colour discharge tubes, which is used:
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- Highest ionisation potential in a period stands for:
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- The noble gases are unreactive because they:
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- The gas used for inflating the tyres of aeroplanes is:
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- Major credit for the discovery of noble gases is given to:
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- Hellium was discovered by:
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- Argon was discovered by:
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- The most abundant inert gas in air is:
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- The principal source of helium is:
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- A radioactive element X decays to give two inert gases in air is:
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- The lightest, non-inflammable gas is:
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- The gaseous mixture used by divers for respiration is:
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- Xenon tetrafluoride is:
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