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प्रश्न
Assertion (A): On adding dil. HCl to a test tube containing a substance ‘X’, a colourless gas is produced which gives a pop sound when a burning match stick is brought near it.
Reason (R): In this reaction metal ‘X’ is displaced by Hydrogen.
पर्याय
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, and R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
MCQ
विधान आणि तर्क
उत्तर
A is true but R is false.
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