UPSC 2024: In which of the following are hydrogels used? 1. Controlled drug delivery in patients 2. Mobile air-conditioning systems 3. Preparation of industrial lubricants Select the correct answer using the code given below:

The correct answer is option (a): 1 only. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.

This question was asked in UPSC CSE Prelims 2024, GS Paper 1, as Question 36. It falls under Science and Technology > Chemistry.

This question is rated "moderate". It requires sound conceptual understanding of the topic.

UPSC has asked 53 questions from Chemistry (under Science and Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.