Question

explain whether one should use hot water or cold water to separate two steel vessels stuck within each other

Answer 1

one should use hot water. this is so because metals expand on heating. both the vessels will expand and remain unfixed from each other

Answer 2

Answer:

We should use both hot and cold water

First, put cold water and then put hot water as if we put hot water first it should be more than 1-4 degrees thats why we will put cold water first