1.

(A) ZSM-5 is used as a catalyst is petrochemical industries .(R ) Zeolites are three dimensional network silicates in which some silicon atoms are replaced by aluminium atom.

Answer»

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

ANSWER :B


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