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प्रश्न
What are the characteristics of matter?
उत्तर
The characteristics of matter are:
(i) Matter is made up of tiny particles.
(ii) The particles of matter attract each other.
(iii) The particles of matter have spaces between them.
(iv) The particles of matter are constantly moving.
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संबंधित प्रश्न
Liquids have definite volume but do not have definite shape.
A kind of matter which can sublime is
What is Brownian motion? Draw a diagram to show the movement of a particle (like a pollen grain during Brownian motion.
Explain why, osmosis can be considered to be a special kind of diffusion. Classify the following into
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- spreading of virus on sneezing
- earthworm dying on coming in contact with common salt
- shrinking of grapes kept in thick sugar syrup
- preserving of pickles in salt
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Fill in the following blanks with suitable words :
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Fill in the following blanks with suitable words :
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A solid mixture contains four constituents P, Q, R and S. P consists of tiny grains and it is mixed with
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process of evaporation. R is in the form of tiny particles of a material whose corrosion is called rusting. And
S is a white solid which is used in making ordinary dry cells.
- What could P, Q, R and S be ?
- How would you separate a mixture containing P, Q, R and S ?
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?
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