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8) A cup of water is taken in a beaker a few drops of dilute sulphuric acid is heated
The water is heated to boiling point and copper sulphate powder is added with continuos stirring.
This is added untill the solution becomes satuarated.
This solution is then filtered and poured into china dish. It is left to cool and kept undisturbed.
Slowly the crystals of copper sulphate start forming. This method is called Crystallisation.
9) When we paint an iron gate, we prevent it from coming in contact with the air and moisture present in the atmosphere. This prevents rusting.
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The water is heated to boiling point and copper sulphate powder is added with continuos stirring.
This is added untill the solution becomes satuarated.
This solution is then filtered and poured into china dish. It is left to cool and kept undisturbed.
Slowly the crystals of copper sulphate start forming. This method is called Crystallisation.
9) When we paint an iron gate, we prevent it from coming in contact with the air and moisture present in the atmosphere. This prevents rusting.
Hope it Helps... Plese Mark As Brainliest....
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