Advertisements
Advertisements
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
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Write the names of following elements Na, C, Kr, U, Ra, Fe, Co.
What do you understand by :
Noble gases
The anion of an element has ______.
State which element exists in the highest percentage in atmosphere.
State the type of element for the following:
Copper
Write the chemical formula of the following:
aluminium chloride
Give the formula of the following gas:
Ammonia
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).
Phosphate
Give the qualitative and quantitative meaning of the term ‘symbol’.
Write the symbols for the following elements.
- Oxygen
- Gold
- Calcium
- Cadmium
- Iron
