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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
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
By using a separating funnel
Fill in the blank
_______ are made up of same kind of atoms.
Fill in the blank:
_________ is a process to obtain a very pure form of a solid dissolved in a liquid.
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.
Differentiate between the following.
solution and suspension
Why is filtration a better technique than sedimentation and decantation ?
Differentiate between the terms elements, compounds, and mixtures with suitable examples.
Water is a ______.
