Question
A non-metal ‘X’ occurs in nature in free state. It combines with hydrogen to form a gas, which is colourless and highly toxic. Apart from this, ‘X’ is oxidized to ‘XO2’ which is a colourless, pungent and irritating gas. ‘X’ represents :
A Sulphur
B Carbon
C Phosphorus
D Nitrogen
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Answer & Explanation
Answer:Sulphur
