Assertion (A) : Photo chemical smog causes cracking of rubber.

Question

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). 

Assertion (A) : Photo chemical smog causes cracking of rubber. 

Reason (R) : Presence of ozone, nitric oxide, acrolein, formaldehyde and peroxyacetyl nitrate in photochemical smog makes it oxidizing. 

Choose the most appropriate answer from the options given below : 

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

(2) (A) is false but (R) is true. 

(3) (A) is true but (R) is false 

(4) Both (A) and (R) are true and (R) is the true explanation of (A)

Answer 1

Answer is (4) Both (A) and (R) are true and (R) is the true explanation of (A)

Photo chemical smog causes cracking of rubber, the common component of photo chemical smog are ozone, nitric oxide, acrolein, formaldehyde and peroxyacetyle nitrate (PAN).