1.

WHICH_OF_THE_FOLLOWING_GASES_WHEN_PASSED_THROUGH_WARM_DILUTE_SOLUTION_OF_H2SO4_IN_PRESENCE_OF_HGSO4_GIVES_ACETALDEHYDE??$

A. CH<sub>4</sub>
B. C<sub>2</sub>H<sub>6</sub>
C. C<sub>2</sub>H<sub>4</sub>
D. C<sub>2</sub>H<sub>2</sub>
Answer» E.


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