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प्रश्न
What do you understand by :
Metalloids
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उत्तर
Metalloids : Metalloids are those substances which have some properties of metals and some of non-metals e.g. boron, silicon.
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संबंधित प्रश्न
Name the main metal present in the following:
Haemoglobin
Name the main metal present in the following:
Chocolate wrappers
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
Write true or false
All pure substances have characteristic melting and boiling points.
Differentiate between the following.
solution and suspension
Name the substance you will add to speed up sedimentation.
What is centrifugation ? Also write the principle on which it works.
Write the differences between elements and compounds and give an example for each.
Water is a ______.
When two or more elements combine together they form ______.
