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Matter In Our Surroundings
A diver is able to cut through water in a swimming pool. Which property of matter does this observation show?
This shows that liquids are compressible. The intermolecular space between the particles of liquid is greater as compared to the solids. Hence when the diver into water the particles of water to get compressed.
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What is the physical state of water at
100 °C
For any substance, why does the temperature remain constant during the change of state ?
Suggest a method to liquify atmospheric gases.
Convert the following temperatures to Kelvin scale.
35°C
Give reason for the following observations.
Naphthalene balls disappear with time without leaving any solid.
Give reason for the following observations.
We can get the smell of perfume sitting several metres away.
What is the physical state of water at
a) 25°C
b)00C
c)1000C
What is the physical state of water at
0°C
What is the physical state of water at
100°C
Give two reasons to justify
Water at room temperature is a liquid.
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