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Krishna Kumar Prajapati

Edited: Sep 19

UPSC 2024 (Pre) - Question 36

In which of the following are hydrogels used?

Controlled drug delivery in patients
Mobile air-conditioning systems
Preparation of industrial lubricants

Select the correct answer using the code given below:

a. 1 only

b. 1 and 2 only

c. 2 and 3 only

d. 1, 2 and 3

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