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प्रश्न
Give reasons
The odour of scent spreads in a room.
उत्तर
Scent fumes (molecules) being gases fill the spaces between air molecules and the molecules of air fill the spaces between scent molecules due to diffusion, fumes spread into a room
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संबंधित प्रश्न
Arrange the following substances in increasing order of force of attraction between their particles (keeping the substance having the minimum force of attraction first) : Water, Sugar, Oxygen
Give reasons
Liquids have definite volume but no definite shape
Write whether the following statement is true or false:
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely
Fill the following chart showing twelve solids, twelve liquids, four gases and eight materials.
The three main states of matter are solids, liquids, and gases. Compare the three states with reference to the following characteristics of matter
(a) volume
(b) shape
(c) compressibility
(d) diffusion.
Describe simple experiments to prove that liquids have a definite volume
Describe simple experiments to prove that gases occupy space.
Which of the following is a solid?
Discuss briefly on three states of matter.
What is the physical state of water at 100ºC?
