Question

Chemical used in breathe analysis for drunken driving is? ​

Answer 1

Breath tests capture the air as the driver breathes out and determine the alcohol level in the sample of that breath. Breathalyzers are the most commonly used chemical sobriety test due to their accessibility, convenience, and inexpensive cost.

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Answer 2

Chemical used in breathe analysis for drunken driving is sulphuric acid, potassium dichromate and silver nitrate.

Explanation:

• Breath analyser is a device which is used to present whether alcohol is present in the blood of an individual or not by chemical testing the breath of a person.  

• IT Uses concentrated silver nitric acid solution and dilute or aqueous solution of sulphuric acid.  

• The sulphuric acid being a dehydrating agent removes water vapour from the breath of the person.  

• Silver nitrate and potassium dichromate is used to react with the vapour form of ethyl alcohol which is consumed and remains in the breath of a person for a long time.