What does below rebus means ?

Which is faster, Heat or Cold ? Explain.

How can you make a TV, a bed, a dog, and a car liquid?

Which city is three-fifths chick two third cat and 50% goat?

Rearrange the letters in "new door" to make one word.

What has one eye, but can’t see?

Which part of London exists in France as well ?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

What's the only room from which no one can enter or leave

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?