Question

Which of the following activity proves that particles of matter have space between them?
A. Dissolution of sugar into water
B. Dilution of potassium permanganate solution
C. Breaking the stream of water
D. None of the above

Answer 1

Hint: To answer this question, we first need to know the characteristics of particles of matter. We all know that every substance has a unique set of properties both physical and chemical properties. According to the physical property of matter we can measure or observe them without changing the identity or the composition of a substance. For example color, odor, melting point, boiling point, density, etc. On the other hand the chemical properties require a chemical change to occur. For example: the characteristic reactions of different substances; including acidity, combustibility, etc.

Complete step by step answer:
Firstly, we need to understand the space between the particles of matter.
In case of solids, the particles are not easily compressible and have very little free space between particles.
In liquids, the particles of matter are not easily compressible and have little free space between particles.
And in case of gases, the particles of matter are compressible and have lots of free space between particles.
So, the dissolution of sugar into water proves that particles of matter have space between them as the sugar particles get trapped in the molecules of water (option A).

$\therefore $ Option A is a correct answer .

Note:
Here, we know that sugar dissolves in water as energy is released when the slightly polar sucrose molecules tend to form intermolecular bonds with the polar water molecules. Thus, they possess weak bonds that are formed between the solute and the solvent particles to compensate for the energy that is needed to disrupt the structure of both the pure solute and the solvent particles.