When suffering from a fever,which will lower your body temperature more effectively: ice or ice-cold water? Why?

Arrange the following in the increasing order of 'forces of attraction' between their particles.

Arrange honey, water, and hydrogen in descending order on the basis of the following properties exhibited by them:
$(a)$ Kinetic energy
$(b)$ Density

The property to flow is unique to fluids. Which one of the following statements is correct?

$A$ glass tumbler containing hot water is kept in the freezer compartment of a refrigerator (temperature $< 0\,^{\circ}\text{C}$). If you could measure the temperature of the content of the tumbler,which of the following graphs would correctly represent the change in its temperature as a function of time?

Which physical quantities are to be altered for liquefying gases?