Advertisements
Advertisements
प्रश्न
Give reason
When an empty gas jar is inverted over a gas jar containing a coloured gas, the gas also spreads into the empty jar.
उत्तर
This shows that gases can fill up all the space that they get, and they have neither a fixed shape nor a fixed volume. They have no free surfaces, either.
APPEARS IN
संबंधित प्रश्न
Define interconversion of states of matter. What are the two factors responsible for the change of states of matter?
Fill in the blank:
Water is a matter because it has mas and occupies....................
Give two examples of the following:
Substances which are rigid and not compressible.
If an object weighs 6 kg on earth. What will be its weight on moon ?
Give reason of Liquids have definite volume but no difinite shape.
Fill in the blank
The molecules are at a greater distance in ______ compared to liquids.
Write whether the following statement are true or false.
Intermolecular force of attraction is greater in gases than in liquids.
Explain why, we can easily move our hand in air but to do the same through a plank of wood, we need a karate expert.
Complete the statement by filling the blank with the correct word given below.
In naphthalene, the inter-particle attraction is _______.
You are provided with a mixture of naphthalene and ammonium chloride by your teacher. Suggest an activity to separate them with well labelled diagram.
