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Question
Fill in the following blank with suitable words :
At room temperature, the forces of attraction between the particles of solid substances are ....................... then those which exist in the gaseous state.
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Solution
At room temperature, the forces of attraction between the articles of solid substances are much more than those which exist in the gaseous state.
RELATED QUESTIONS
The mass per unit volume of a substance is called density.
(density = mass/volume).
Arrange the following in order of increasing density-
air, exhaust from chimneys, honey, water, chalk, cotton and iron.
Name the physical state of matter which can be easily compressed.
Fill in the following blank with suitable words :
Solid, liquid and gas are the three ........................ of matter.
Give reason for the following observation :
The smell of hot sizzling food reaches us even from a considerable distance but to get the smell from cold food, we have to go close to it.
Explain how, the smell of food being cooked in the kitchen reaches us even from a considerable distance.
Explain why, when a bottle of perfume is opened in a room, we can smell it even from a considerable distance.
Name two gases of air which dissolve in water by diffusion. What is the importance of this process in nature?
When a gas jar containing colourless air is kept upside down over a gas jar full of brown-coloured bromine vapour, then after some time, the brown colour of bromine vapour spreads into the upper gas jar making both the gas jars appear brown in colour. Which of the following conclusion obtained from these observations is incorrect?
Comment upon the following:-
shape
Two gases A and B having molecular weights 60 and 45 respectively are enclosed in a vessel. The wt. of A is 0.50 g and that of B is 0.2 g. The total pressure of the mixture is 750 mm. The partial pressure of the gases B is ______ mm Hg.
