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प्रश्न
Assertion (A): Dry hydrogen chloride gas is collected by the upward displacement of air.
Reason (R): Hydrogen chloride gas is lighter than air.
पर्याय
Both A and R are true and R is the correct explanation of A
Both A and R are true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
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उत्तर
A is true but R is false
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