HomeEveryday Science MCQsA ‘breath test’ used by traffic police to check drunken driving uses ____? 615. A ‘breath test’ used by traffic police to check drunken driving uses ____?By Admin / September 17, 2025 A. Turmeric on filter paper B. Silica gel coated with silver nitrate C. potassium permanganate-sulphuric acid D. Potassium dichromatic-sulphuric acid ✅ The correct answer is option D.
1. Which of the following does not pollute the air? Leave a Comment / Everyday Science MCQs / By Admin
2. Which of the following planets have the longest day? Leave a Comment / Everyday Science MCQs / By Admin