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KCET 2021
MCQ (Single Correct Answer)
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A colourless, neutral, paramagnetic oxide of nitrogen '$$P$$' on oxidation gives reddish brown gas $$Q$$. $$Q$$ on cooling gives colourless gas $$R$$. $$R$$ on reaction with $$P$$ gives blue solid $$S$$. Identify $$P, Q, R, S$$ respectively
Questions Asked from p-Block Elements (MCQ (Single Correct Answer))
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