Assertion : A beakers is completely, filled with water at 4° C. It will overflow, both when heated or cooled.
Reason : These is expansion of water below 4°C.
(A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
(B) If both assertion and reason are true but reason is not be correct explanation of assertion.
(C) If assertion is true but reason is false.
(D) If the assertion and reason both are false.