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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:
Chocolate wrappers
State four difference between compounds and mixtures.
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.
Write true or false
All pure substances have characteristic melting and boiling points.
Differentiate between the following.
solution and suspension
Name the techniques used to separate a solid from its solution.
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 ______.
