Consumption of alcohol by vehicle drivers is detected by – InterviewSolution

1.	Consumption of alcohol by vehicle drivers is detected by
Answer» blow of mouth air in test tube containing ACIDIC `K_2Cr_2O_7` blow of mouth air in test tube containing ALCOHOLIC KOH blow of mouth air in test tube containing `Cu_2O` blow of mouth air in test tube containing SCHIFF's reagent Answer :A

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