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प्रश्न
Write true or false
All pure substances have characteristic melting and boiling points.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Name the main metal present in the following:
Haemoglobin
Give four examples of non-metallic elements.
What do you understand by :
Metalloids
Define:- Filtration
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
Sedimentation and decantation
Fill in the blank:
________ and _______ are pure substances.
Fill in the blank
Use of a __________ to separate the components of a mixture of solids is based on the difference in the size of the components.
Differentiate between the following.
solution and suspension
Name the techniques used to separate a solid from its solution.
Write the differences between mixture and compounds.
