A breath test used by traffic police to check drunken driving uses:

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Q: 12 (SSC/NA)
A ‘breath test’ used by traffic police to check drunken driving uses:

question_subject: 

Science

question_exam: 

SSC

stats: 

0,20,37,20,20,5,12

keywords: 

{'breath test': [1, 0, 0, 0], 'drunken driving uses': [1, 0, 0, 0], 'traffic police': [1, 0, 0, 0], 'sulphuric acid': [1, 1, 0, 1], 'silica gel': [0, 1, 0, 0], 'turmeric': [1, 0, 0, 1], 'phuric acid': [1, 0, 0, 0], 'potassium perma': [1, 0, 0, 0], 'filter paper': [1, 0, 0, 0], 'potassium': [1, 0, 0, 2]}

The correct option for the `breath test` used by traffic police to check drunken driving is option 1, which is potassium dichromate-sulphuric acid. This test is commonly known as the breath analyzer test or the breathalyzer test.

The breathalyzer test is based on the principle that when a person consumes alcohol, it is absorbed into the bloodstream and eventually expelled through the breath. The breathalyzer device measures the amount of alcohol present in a person`s breath to determine if they are intoxicated while driving.

In this test, the person being tested blows into the breathalyzer device, and the breath sample reacts with a mixture of potassium dichromate and sulphuric acid. The reaction between alcohol and the potassium dichromate produces a color change, which is detected by the breathalyzer device. The intensity of the color change corresponds to the concentration of alcohol in the breath, allowing the police to determine if the person is above the legal limit.

Alert - correct answer should be option 2: potassium permanganate-sulphuric acid. The correct option for the `breath test` used by traffic police to check drunken driving is option 2, which is potassium permanganate-sulphuric acid.