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प्रश्न
Define matter. Give four examples of matter.
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उत्तर
Matter: Anything that occupies space and has mass is known as matter. The examples of matter are iron, wood, air and water.
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संबंधित प्रश्न
What are molecules ?
What name is given to those elements which are neither good conductors of electricity like copper nor insulators like sulphur ?
What are pure substances ? Give two examples of pure substances.
In the following set of substances, one item does not belong to the set. Select this item and explain why it does not belong to the set :
Hydrogen, Oxygen, Steam, Chlorine
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(b) Which liquid could be a mixture ? Name this mixture.
(c) Which liquid could be a compound ? Name this compound.
(d) What could the solid D be ?
(e) What do you think is liquid E ?
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Fill in the following blank :
A colloid is a ..............mixture and its components can be separated by the technique known as ...............
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Name the process you would use to separate a mixture of water and alcohol.
What difference in the properties of oil and water enable their separation by a separating funnel ?
Fill in the following blanks with suitable words :
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(i) Pure substances contain only one kind of particles
(ii) Pure substances may be compounds or mixtures
(iii) Pure substances have the same composition throughout
(iv) Pure substances can be exemplified by all elements other than nickel
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Evaporation does form bubbles.
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Define the term matter.
Write scientific reason.
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Define the term matter.
