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प्रश्न
Write true or false for each statement. Rewrite the false statement correctly.
Matter cannot exist in different states.
पर्याय
True
False
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उत्तर
False.
Matter can exist in different states.
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संबंधित प्रश्न
Define matter.
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
The element which is not common between the compounds called baking soda and soda ash is
Which one of the following is not a metalloid ?
Define Sol and give one example.
Milk of Magnesia is :
Name the process you would use to separate a mixture of water and alcohol.
How will you separate a mixture of common salt, sulphur powder and sand ?
How will you separate water from mustard oil ?
How is cream separated from milk ?
What is chromatography ? State its two applications.
The material which is added to water during purification process at the water works so as to disinfect it is :
The property which allows the metals to be hammered into their sheets is ______.
______ is a smallest particle.
Match the physical quantities given in column A to their S I units given in column B:
| (A) | (B) | ||
| (a) | Pressure | (i) | cubic metre |
| (b) | Temperature | (ii) | kilogram |
| (c) | Density | (iii) | pascal |
| (d) | Mass | (iv) | kelvin |
| (e) | Volume | (v) | kilogram per cubic metre |
Intermolecular space is maximum in ______.
Gas-solid is ______.
Examples of foam are ______.
Define the term matter.
