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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
Give four examples of non-metallic elements.
State four difference between compounds and mixtures.
Why is it named so?
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
Give one word answer
The process of transferring the clean liquid after the solid settles at the bottom of the container
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.
Fill in the blank.
_________ is used when the constituents of a mixture of solids have a difference in their weights.
Name the substance you will add to speed up sedimentation.
When two or more elements combine together they form ______.
