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प्रश्न
Define matter.
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उत्तर
Anything that has mass and occupies space is called matter.
संबंधित प्रश्न
Liquids have definite shape and definite volume.
Fill in the blank :
The substances which can flow are called ________
Name the scientist who studied the movement of pollen grains suspended in water through a microscope. What is this phenomenon known as?
Name a non-metal which is a good conductor of electricity.
What is meant by saying that metals are malleable and ductile?
What is meant by saying that non-metals are brittle ?
What is meant by saying that metals are sonorous ?
Name a metal which can be easily cut with a knife.
“Is malleable and ductile” best describes :
The elements which normally exist in the liquid state are :
Define Foam Give one example.
What type of magnet is fitted on a crane to separate scrap iron objects from a heap of waste materials in factories ?
Write a method to separate a mixture of sand and potash alum.
Differentiate between the-two characteristics of matter – ‘mass’ & ‘weight’.
Select the correct answer from A, B, C, D & E for the statement given below:
An atom or group of atoms _________ having a resultant charge.
All the matter made of ______.
The non S I and S I units of some physical quantities are given in column A and column B respectively. Match the units belonging to the same physical quantity:
| (A) | (B) | ||
| (a) | degree celsius | (i) | kilogram |
| (b) | centimetre | (ii) | pascal |
| (c) | gram per centimetre cube | (iii) | metre |
| (d) | bar | (iv) | kelvin |
| (e) | milligram | (v) | kilogram per metre cube |
Which statement is not correct for a mixture
Higher the temperature, the higher the kinetic energy of particles.
Define the term matter.
