Evaporation of a liquid takes place at

Seema visited a Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends,she got confused. Help her to identify the correct set of conditions.

Boiling process is a

Which of the following will cause more severe burns and why?
$(a)$ Steam at $373 \, K$
$(b)$ Water at $373 \, K$

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

Give reasons to explain why:
$(i)$ Carbon dioxide is called a gas?
$(ii)$ $A$ gas fills a vessel completely?
$(iii)$ Gases are so easily compressible,whereas it is impossible to compress a solid or a liquid.