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प्रश्न
Compare hydrogen with alkali metals on the basis of:
Reaction with oxygen
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उत्तर
Hydrogen burns in oxygen to form its oxide. It burns with a pop sound.
2H2 + O2 → 2H2O
Alkali metals also burn vigorously when heated in oxygen to form their respective oxides.
Lithium forms monoxide.
4Li + O2 → 2Li2O
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