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प्रश्न
What do you understand by :
Metalloids
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
Give four examples of non-metallic elements.
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
Sedimentation and decantation
Fill in the blank:
________ and _______ are pure substances.
Fill in the blank
Use of a __________ to separate the components of a mixture of solids is based on the difference in the size of the components.
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.
Loading is basically speeding up _____.
Write the differences between mixture and compounds.
