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प्रश्न
Name the main metal present in the following:
Chalk
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उत्तर
Chalk - Calcium
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संबंधित प्रश्न
Name the main metal present in the following:
Haemoglobin
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
By using a separating funnel
Fill in the blank
_______ are made up of same kind of atoms.
Fill in the blank.
_________ is used when the constituents of a mixture of solids have a difference in their weights.
Write true or false
All pure substances have characteristic melting and boiling points.
Differentiate between the following.
solution and suspension
Write the differences between elements and compounds and give an example for each.
Write the differences between mixture and compounds.
