Which is used in the manufacture of safe matchsticks?
- AWhite phosphorus
- BSulphur
- CRed phosphorus
- DSelenium
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$Sn$ is dissolved in excess of $NaOH$ solution,the compound obtained is
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View SolutionAssertion $(A)$: In group $15$ elements, nitrogen does not form pentahalides.
Reason $(R)$: Nitrogen can exhibit $+5$ oxidation state.
The correct option among the following is:
Reason $(R)$: Nitrogen can exhibit $+5$ oxidation state.
The correct option among the following is:
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