Question

Suppose a solid object is at the bottom of a container of water. Then the object can be made to float to the surface [assume density of substance of object is slightly greater than density of water] –

• A. By lowering the temperature but final temperature should be greater than 4ŗC
• B. By lowering the temperature to any final value
• C. By increasing the temperature to 84⁰C
• D. None of these

Answer 1

Answer: (A)

By lowering the temperature but final temperature should be greater than 4ŗC

Answer 2

An atomic behavior of water at 4⁰C.