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प्रश्न
Describe simple experiments to prove that solids occupy space
उत्तर
occupy space: solid-occupies space
‘A’-A measuring cylinder is filled with water to a particular mark- ‘A’.
‘B’-A piece of a wooden block- is immersed inside the measuring cylinder. The water level rises up.
‘C’-On removal of the block- the water level in the measuring cylinder falls down back to the mark- ‘A’
Conclusion: The block pushes the water out and occupies its space, hence all solids occupy space.
संबंधित प्रश्न
Classify the following into solids, liquids and gases.
Oxygen, milk, common salt, wax, stone, L.P.G, carbon- dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
Give reasons
When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass remains unchanged.
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions
Describe simple experiments to prove that solids have mass
Describe simple experiments to prove that liquids have no definite shape
State the property of the following substance.
Magnesium reacts with dilute hydrochloric acid, liberating hydrogen gas.
A rubber ball changes its shape on pressing. Can it be called a solid?
Gases have neither a definite shape nor a definite volume.
Define the term ‘Diffusion’.
What is the physical state of water at 100ºC?
