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प्रश्न
Matter is made up of ______.
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उत्तर
Matter is made up of atoms.
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संबंधित प्रश्न
Intermolecular force of attraction is maximum in ............ less in .......... and the least in .............
What are molecules ?
What is meant by saying that metals are malleable and ductile ?
What are the two types of pure substances? Give one example of each type.
Name a metal which is yellow in colour.
Classify the following into metals, non-metals and metalloids:
Silicon, Mercury, Diamond, Sulphur, Iodine, Germanium, Sodium, Carbon, Magnesium, Copper, Boron, Helium
A solution contains 5.6 mL of alcohol mixed with 75 mL of water. Calculate the concentration of this solution.
There are three liquids A, B and C, all having different densities and different boiling points. Liquids A and C are organic in nature whereas liquid B is considered to be inorganic. When liquids A and B are put together in a container, they form a single layer. On the other hand, when, liquids B and C are mixed, they form two separate layers :
(a) Which process will you use to separate a mixture of A and B ?
(b) Which method will you use to separate a mixture of B and C ?
(c) Name the liquids which would behave like (i) A (ii) B and (iii) C.
The movement of particles in liquids is ______.
Give an example of liquid in gas.
