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प्रश्न
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
Magnetic separation
उत्तर
Magnetic separation : This method is used when one of the components of the mixture is iron. Iron gets attracted towards a magnet and hence can be separated. Mixtures of iron and sulphur, iron and sand, etc., can be separated by moving a magnet over them. Iron gets attached to the magnet and is separated.
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संबंधित प्रश्न
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Ca2+ NO31-
State the type of element for the following:
Sulphur
State the type of element for the following:
Chlorine
Write the radical of the following valency:
magnesium
Write the radical of the following valency:
Nitrate
State the valency of the following metallic element and write symbol with the valency
Aluminium
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Chloride
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Sulphite
The symbol of tungsten is _______.
Antimony has the highest tensile strength.
