It is known that wax contracts on solidification. If molten wax is tak – McqOptions

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1.	It is known that wax contracts on solidification. If molten wax is taken in a large vessel and it is allowed to cool slowly, then [CBSE PMT 1994]
A.	It will start solidifying from the top downward
B.	It will start solidifying from the bottom upward
C.	It will start solidifying from the middle, upward and downward at equal rates
D.	The whole mass will solidify simultaneously
Answer» C. It will start solidifying from the middle, upward and downward at equal rates

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