Advertisements
Advertisements
प्रश्न
Explain the meaning of the term ‘matter’.
उत्तर
The matter is defined as anything that has mass, occupies space, and can be felt by the senses.
APPEARS IN
संबंधित प्रश्न
The smallest unit of matter that exists freely in nature is called ...........
Name the scientist who studied the movement of pollen grains suspended in water through a microscope. What is this phenomenon known as?
When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of :
Name a non-metal :
- which is lustrous
- which is required for combustion
- whose one of the allotrophic forms is a good conductor of electricity. Name the allotrope.
- other than carbon which shows allotropy
- which is known to form the largest number of compounds
Draw a flow-chart for the schematic representation of different types of matter.
The element which is not common between the compounds called baking soda and soda ash is
Choose the correct answer.
A 5 per cent sugar solution means that :
Fill in the following blanks with suitable words :
Miscible liquids are separated by .....................
How will you separate a mixture of iron filings and powdered carbon ?
How will you separate a mixture of common salt, sulphur powder and sand ?
How is cream separated from milk ?
The best way to recover sugar from an aqueous sugar solution is :
Stars including Sun are covered in ______.
A standard sheet of paper is about ______ of atoms thick
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which exists as a liquid at room temperature.
In Aerosol the dispersed phase is liquid and the dispersion medium is gas.
Complete the following table:
| S.No. | CELSIUS | KELVIN |
| 1. | 90°C | 363 K |
| 2. | ______ | 283 K |
| 3. | 63 °C | ______ |
| 4. | 250°C | ______ |
| 5. | ______ | 303 K |
Compressibility of solids: ______.
The fluidity of solids: ______.
Define the term matter.
