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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:
Chlorophyll
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
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
Use of a __________ to separate the components of a mixture of solids is based on the difference in the size of the components.
Name the substance you will add to speed up sedimentation.
What is centrifugation ? Also write the principle on which it works.
Loading is basically speeding up _____.
Write the differences between elements and compounds and give an example for each.
