Advertisements
Advertisements
Question
A piece of chalk can be broken into small particles by hammering but a piece of iron cannot be taken into small particles by hammering. Which characteristic of the particles of matter is illustrated by these observations?
Advertisements
Solution
Matter is made up of small particles which attract each other. This force of attraction differs from substance to substance. Chalk breaks easily on hammering while iron does not. This shows that particles of iron attract each other with a greater force than the particles of chalk.
APPEARS IN
RELATED QUESTIONS
Give reason for the following.
Pure substances have fixed melting or boiling points.
How will you prove by an experiment that solids occupy space ?
Write true or false for statement. Rewrite the false statement correctly.
Solids can be compressed easily.
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions.
What is the relation between intermolecular space and intermolecular force ?
Give reason of Liquids have definite volume but no difinite shape.
Define the Gas and give two examples.
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to space.
Fill in the blanks:
Matter is defined as anything that occupies _______ and has _______
Fill in the blank:
Particles in a gas possess ___________ kinetic energy.
