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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
What do you understand by :
Metalloids
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
Sedimentation and decantation
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:
________ and _______ are pure substances.
Fill in the blank.
_________ is used when the constituents of a mixture of solids have a difference in their weights.
Differentiate between the following.
solution and suspension
What is centrifugation ? Also write the principle on which it works.
Water is a ______.
When two or more elements combine together they form ______.
