UPSC CSE · Science and Technology
UPSC Prelims Chemistry Questions (Science and Technology): PYQs with Answers
5 UPSC Prelims questions on Chemistry (Science and Technology) from 2012–2021, newest first. 2021 had the most (3).
- Water Universal SolventWater can dissolve more substances than any other liquid because
- Bisphenol aBisphenol A (BPA), a cause of concern, is a structural/key component in the manufacture of which of the following kinds of plastics?
- Triclosan Harmful ChemicalTriclosan', considered harmful when exposed to high levels for a long time, is most likely present in which of the following?
- Chemical Change ExamplesWhich of the following is/are the example/examples of chemical change?
- UV Water PurificationWhat is the role of ultraviolet (UV) radiation in the water purification systems?