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प्रश्न
Fill in the blank
Liquids have a definite ______
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उत्तर
Liquids have a definite Volume.
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संबंधित प्रश्न
All kinds of matter
Name the property which enables metals to be drawn into wires.
What are the two types of pure substances? Give one example of each type.
Which of the following are ‘pure substances’ ?
Ice, Milk, Iron, Hydrochloric acid, Calcium oxide, Mercury, Brick, Wood, Air
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
Name a metal which can be easily cut with a knife.
Out of a colloid, solution and a suspension :
which one has the smallest particles ?
How much water should be mixed with 12 mL of alcohol so as to obtain 12 % alcohol solution ?
Define solvent.
What is the difference between solutions and colloids ?
Define the emulsion. Give one example.
Describe a method to separate a mixture of common salt and sand.
How would you separate iodine from a mixture of iodine and common salt ?
How will you separate water from mustard oil ?
With the help of a labelled diagram, describe the method of separating ammonium chloride from a mixture of ammonium chloride and common salt. Mention the difference in the properties of ammonium chloride and sodium chloride which has made this separation possible.
Define the term matter.
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?
Seema visited a Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions
Intermolecular space is maximum in ______.
Define the term matter.
