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प्रश्न
Fill in the blank
All matter is made up of tiny particles called ______
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उत्तर
All matter is made up of tiny particles called atoms.
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संबंधित प्रश्न
Define the term matter. What is it composed of?
Give one difference between atoms and molecules.
Honey is more viscous than water. Can you suggest why?
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 ?
State two physical properties on the basis of which metals can be distinguished from non-metals.
Choose the correct answer.
A 5 per cent sugar solution means that :
Explain what happens when a beam of light is passed through a colloidal solution.
Name the different types of solutions. Give one example of each.
What is the difference between colloids and suspensions ?
Name the property of one of the constituents which can be used to separate a mixture of salt and iodine
A carpenter wants to separate iron nails from saw-dust. Which method of separation should he choose ?
What difference in the properties of oil and water enable their separation by a separating funnel ?
Name the process by which common salt is obtained from sea-water.
Explain the meaning of the term ‘matter’.
The property which allows the metals to be hammered into their sheets is ______.
Liquids cannot be compressed and they have fixed volume.
The pressure of gases does not depend on the temperature of the gas and the volume it occupies.
Gases do not diffuse very easily.
Define the term matter.
