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प्रश्न
All kinds of matter
विकल्प
occupy space and have definite mass
have mass and definite shape
can change their states
have definite volume
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उत्तर
occupy space and have definite mass
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संबंधित प्रश्न
Gases have definite volume but no definite shape.
Fill in the blank
All matter is made up of tiny particles called ______
What is the scientific name of particles which make up mater?
An inflated balloon full of air goes down slowly (becomes smaller and smaller slowly) even though the knot at the mouth of the balloon is airtight. And after a week all the air has escaped from the balloon. Explain how the air particles got out of the balloon.
What name is given to those elements which are neither good conductors of electricity like copper nor insulators like sulphur ?
Fill in the following blank :
A colloid is a ..............mixture and its components can be separated by the technique known as ...............
You have been given a suspension and a solution. How could you tell the difference between them by their appearance ?
Name the different types of solutions. Give one example of each.
Which of the following do not exhibit Tyndall effect ?
Starch solution, Sugar solution, Ink, Salt solution, Copper sulphate solution, Ammonium chloride solution, Fog, Smoke, Car exhausts.
Name the process you would use to separate a mixture of water and alcohol.
Name the process by which common salt is obtained from sea-water.
Fill in the following blanks with suitable words :
The separation of liquids by fractional distillation is based on the difference in their .....................
How will you separate water from mustard oil ?
With the help of a labelled diagram, describe the method of separating ammonium chloride from a mixture of ammonium chloride and common salt. Mention the difference in the properties of ammonium chloride and sodium chloride which has made this separation possible.
The correct increasing order of the boiling points of liquid oxygen, liquid argon and liquid nitrogen present in liquid air is :
Explain the meaning of the term matter with special reference to the term ‘substance’.
Seema visited a Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions
Define the term matter.
Define the term matter.
