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
Fill in the blank:
The temperature at which a liquid starts changing into its vapour state is ______.
Why can a piece of chalk be broken easily into smaller pieces while a coal piece cannot be broken easily?
Give reason for the following.
Pure substances have fixed melting or boiling points.
There are large intermolecular gaps in
- water
- iron ball
- common salt
- air
Fill in the blank
The molecules are at a greater distance in ______ compared to liquids.
When sugar is dissolved in water, there is no increase in the volume. Which characteristic of matter is illustrated by this observation?
What are the two conditions for the interconversion of states of matter?
Fill in the blank with the correct word Given below.
The space between atoms’ [molecules] of solids is ____
Mention any two characteristics of the particles of matter.
You are provided with a mixture of naphthalene and ammonium chloride by your teacher. Suggest an activity to separate them with well labelled diagram.
