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प्रश्न
Explain the meaning of the term ‘matter’.
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उत्तर
The matter is defined as anything that has mass, occupies space, and can be felt by the senses.
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संबंधित प्रश्न
Solids have definite shape and definite volume.
Define the following term of Matter .
Classify the following into elements, compounds and mixtures:
- Sodium
- Soil
- Sugar solution
- Silver
- Calcium carbonate
- Tin
- Silicon
- Coal
- Air
- Soap
- Methane
- Carbon dioxide
- Blood
Explain why steel is used to make railway lines.
Name a liquid which can be classified as a pure substance and conducts electricity.
Fill in the following blanks with suitable words :
An element is made up of only one kind of ........
Classify the following into elements and compounds :
- H2O
- He
- Cl2
- CO
- Co
Which of the following are ‘pure substances’ ?
Ice, Milk, Iron, Hydrochloric acid, Calcium oxide, Mercury, Brick, Wood, Air
Which of the following does not have a fixed melting point/boiling point ?
Define Foam Give one example.
What is meant by the concentration of a solution ?
Name the source from which nitrogen and oxygen are obtained on a large scale.
A carpenter wants to separate iron nails from saw-dust. Which method of separation should he choose ?
Write a method to separate a mixture of sand and potash alum.
How will you separate camphor, common salt and iron nails from their mixture ?
The technique which is used to separate particles of a solid suspended in a liquid quickly is called :
Which of the following cannot be separated from air by the process of fractional distillation ?
Justify your answer.
| Figure 1 | Figure 2 | Figure 3 |
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The arrangement of particles in three different phases of matter is shown above.
- Which state is represented by Fig. 1?
- In which state will the inter-particle attraction be maximum?
- Which one of them cannot be contained in an open vessel?
- Which one can take the shape of its container?
Celsius scale is a scale of temperature in which zero represents the melting point of ice and 100 represents the boiling point of water.
Define the term matter.
