Question

CHALLENGE QUESTIONS
1. Why is it said that water exists in all three states of matter?
opened when​

Answer 1

Explanation:

Note that not all substances can change states just by adding or removing heat—sometimes other physical changes, such as increased pressure, are needed to change the state of a substance. Water is unique because the properties of water allow it to exist in all three states of matter!

Answer 2

Because water can exist in all three states i.e. solid, liquid and gas.

In solid state, water exist in the form of ice.

In liquid state, it exists in the form of water.

In gaseous state, it exist in the form of water vapours.