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Q 2638112002.    

Assertion : 'Diamonds are forever' is generally quoted for diamond as rate of conversion of diamond to graphite at room condition is nearly zero.

Reason : At room condition, conversion of diamond into graphite is spontaneons.

A Both A and R individually true and R is the correct explanation of A
B Both A and R are individually true but R is not the correct explanation of A
C A is true but R is false
D A is false but R is true

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