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प्रश्न
Name the substance you will add to speed up sedimentation.
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उत्तर
Alum
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संबंधित प्रश्न
Name the main metal present in the following:
Chalk
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.
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.
Write true or false
All pure substances have characteristic melting and boiling points.
Differentiate between the following.
solution and suspension
How can you separate iron metal from non-magnetic impurities ?
Name the techniques used to separate a solid from its solution.
Differentiate between the terms elements, compounds, and mixtures with suitable examples.
Write the differences between elements and compounds and give an example for each.
