JEE Mains 30-Jan-2023 Shift 1 Solved Paper

Section: Chemistry

Question : 38 of 90

Marks: +1, -0

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : In expensive scientific instruments, silica gel is kept in watch-glasses or in semipermeable membrane bags.
Reason (R): Silica gel adsorbs moisture from air via adsorption, thus protects the instrument from water corrosion (rusting) and / or prevents malfunctioning. In the light of the above statements, choose the correct answer from the options given below :

[30-Jan-2023 Shift 1]

(A) is false but (R) is true
(A) is true but (R) is false
Both (A) and (R) are true and (R) is the correct explanation of (A)
Both (A) and (R) are true but (R) is not the correct explanation of (A)

Validate

Go to Question:

Prev Question

Next Question