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प्रश्न
Fill in the blank
A pure substance has definite _______ and constant _________.
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उत्तर
A pure substance has definite composition and constant properties.
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संबंधित प्रश्न
Name the main metal present in the following:
Chocolate wrappers
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
Filtration
Fill in the blank
_______ are made up of same kind of atoms.
Differentiate between the following.
solution and suspension
How can you separate iron metal from non-magnetic impurities ?
Name the substance you will add to speed up sedimentation.
Loading is basically speeding up _____.
