Characteristics of Particles of Matter

Which gas will diffuse faster-ammonia gas or hydrogen chloride?

Two beakers A and B containing hot and cold water respectively are taken. A drop of ink is added in both.

a) Perform this activity to find out in which beaker is the uniform colour obtained faster?
b) Give an explanation for your observation.
c) Name the phenomenon taking place in the above activity.

Why do particles of solids attract each other?

How does wheat flour become malleable and elastic when mixed with water?

The attractive forces that exist in the molecules of different types of substances are called cohesive forces. 

The force of attraction between the molecules of a gas is _____ . (more/less/negligible)

A compound is formed by a combination of at least _____ elements.

Which among these has the highest intermolecular attractive force between molecules is - 

One gas mixes very easily with another gas. What is this property called? 

Which single term is used to describe the mixing of copper sulphate and water kept in a beaker, on its own?

Write any one characteristic of the particles of matter.

Why are the forces of attraction between the gaseous molecules negligible? 

Compare the properties of solid, liquid and gas with respect to inter-particle force.

List three characteristics of the particulate nature of matter.

Which factors determine the state of a substance?

Explain with the help of an activity which shows that particles of matter are very small.

Distinguish between solids and gases on the basis of the interparticle forces of attraction.

Why does honey diffuse in water at a slower rate than ink?

Give reason: Water flows faster then honey.

Arrange the following substances in the increasing order of force of attraction between their particles :

Salt, water, nitrogen