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प्रश्न
Fill in the blank
A pure substance has definite _______ and constant _________.
उत्तर
A pure substance has definite composition and constant properties.
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संबंधित प्रश्न
Name the main metal present in the following :
Haemoglobin
Name the main metal present in the following:
Chlorophyll
Give four examples of non-metallic elements.
Define:- Filtration
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
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.
Give one word answer
The process of transferring the clean liquid after the solid settles at the bottom of the container
Name the substance you will add to speed up sedimentation.
What is centrifugation ? Also write the principle on which it works.
