top of page

To test this feature, visit your live site.

Krishna Kumar Prajapati

Edited: Sep 19

UPSC 2023 (Pre) - Question 20

Consider the following:

Aerosols
Foam agents
Fire retardants
Lubricants

In the making of how many of the given are hydrofluorocarbons used?

a. Only one

b. Only two

c. Only three

d. All four

0 comments

Comments (0)

bottom of page