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प्रश्न
Give a reason for the following:
Globules of mercury kept in a petri dish, which is shaken slowly, come together forming a big globule.
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उत्तर
This experiment concludes that there is a force of attraction between matter particles.
Mercury in particular has a powerful cohesive force between its molecules.
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संबंधित प्रश्न
Define interconversion of states of matter.
Classify the following into solids, liquids and gases.
Oxygen, milk, common salt, wax, stone, water vapour, carbon-dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
Fill in the blank
Liquids have no definite ______
Write true or false for each statement. Rewrite the false statement correctly.
The intermolecular space in a gas is almost negligible.
Select the correct alternative
The diameter of a molecule is approximately
If an object weighs 6 kg on earth. What will be its weight on moon?
Define Intermolecular force
Define Molecule.
Give reason :
A gas fills up the space available to it.
Fill in the blank
Matter is anything that has .......... and occupies ...........
