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प्रश्न
Fill in the blank :
Air is a matter because it has ________ and _______ and it can be _________
उत्तर
Air is a matter because it has weight, mass and space and it can be compressed.
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संबंधित प्रश्न
A diver is able to cut through water in a swimming pool. Which property of matter does this observation show?
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.
Define the following term.
Element
Fill in the blank:
The physical state of a substance, which has a fixed volume but no fixed shape is .........
If an object is taken to the moon from the earth what will be its mass ?
Write whether the following statement are true or false.
The intermolecular force of attraction is the weakest in gases.
What are the two conditions for the interconversion of states of matter?
Give reasons for the following:
A bottle of perfume on opening evolves an odour which can be sensed over a long distance.
Fill in the blank:
The intermolecular force of attraction is ___________ in solids.
