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प्रश्न
State the property of the following substance.
The melting point of ice is 0°C.
विकल्प
Physical
Chemical
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उत्तर
Physical
संबंधित प्रश्न
Give reasons:
A wooden table should be called a solid.
What are molecules?
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.
Give reasons
When an empty gas jar is inverted over a gas jar containing a coloured gas, the gas also spreads into the empty jar
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions
Matter in any state is composed of particles. Compare the three states of matter i,e. solids, liquids, and gases with reference to:
(a) intermolecular space
(b) the intermolecular force of attraction
(c) movement of particles
Describe simple experiments to prove that liquids have no definite shape
State the property of the following substance.
Chlorine gas has a – strong irritating odor.
State the property of the following substance.
Manganese dioxide, a catalyst which alters the rate of a chemical reaction is black in colour.
What is the physical state of water at 100ºC?
