Only water can exist in three different states

Which of the following exists in three different states in natural conditions on the earth?

Ice, water and steam have different physical states but are chemically .............

Physical properties of ice, water and steam are very different. What is the chemical composition of water in all the three states ?

State the colour change in three different indicators in presence of HCl gas.

A metal complex of coordination number six having three different types of ligands a, b and c of composition Ma_(2)b_(2)c_(2) can exist in several geometrical isomeric forms, the total number of such isomers is:

Can a substance exist in all the three states of matter? Give an example.

An ideal gas of mass m in a state A goes to another state B via three different processes as shown in Fig. If Q_(1), Q_(2) and Q_(3) denote the heat absorbed by the gas along the three paths, then

Hydrated proton can exist in water as

Multiple bond can exist in :

Water exists in all the three states. Discuss.