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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
Select the correct alternative
The molecules can move freely anywhere in
- gases
- liquids
- solids
- none of the above
Fill in the blank
Any matter which has a definite _______ but no definite shape is called a _______
Define matter. Give four examples of matter.
During respiration, glucose and oxygen enter our body cells and waste products carbon dioxide and water leave the body cells by the process of :
Name a non-metal which is a good conductor of electricity.
Name one solid, one liquid and one gaseous non-metal.
Fill in the following blanks with suitable words :
Brass is an alloy which is considered a ..............
The three important metalloids are.............................. and ..........................
Name a metal which has no fixed shape.
Name a metal which is yellow in colour.
Explain what happens when a beam of light is passed through a colloidal solution.
How would you prepare a saturated solution of sodium chloride in water at 25°C ? What will happen if this solution is cooled to 10°C ?
What is the difference between colloids and suspensions ?
Describe the method of separating a mixture containing common salt, sand and ammonium chloride.
Draw a labelled diagram of the fractional distillation apparatus used for separating a mixture of alcohol and water.
Justify your answer.
| Figure 1 | Figure 2 | Figure 3 |
 |
 |
 |
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?
Name the metals that are used in jewellery.
A standard sheet of paper is about ______ of atoms thick
Liquids have ______.
A teabag placed in a cup of hot water will diffuse into the water.
