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Assertion and Reason. Mark the correct c...

Assertion and Reason. Mark the correct choice as:Assertion : When a very hot liquid is poured into a thinck glass tumbler it cracks.Reason :Unequal expansion of the inner and outer glass walls causes the glass to crack.

A

Both A and R are true and R is the correct explanation of assertion

B

Both A and R are true but R is not the correct explanation of assertion.

C

A is true but R is false.

D

A is false but R is true.

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