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प्रश्न
Solid (A) reacts with strong aqueous NaOH liberating a foul smelling gas (B) which spontaneously burn in air giving smoky rings. A and B are respectively
विकल्प
P4 (red) and PH3
P4 (white) and PH3
S8 and H2S
P4 (white) and H2S
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उत्तर
P4 (white) and PH3
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