PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoAnswer the following questions:
1. What type of mixtures are separated by the technique of crystallisation?
The mixtures in which one component or impurity is in a particular solvent than the other. For example, impure samples of copper sulphate, potassium nitrate, potash alum etc., can be purified by this method.
2. Try segregating the things around you as pure substances or mixtures.
(a). distilled water, (b). curd, (c). diamond, (d). ice cream, (e). kerosene, (f). cooking oil, (g). steel, (h). graphite, (i). raw rubber, (j). vulcanised rubber, (k). solder wire.
(a). distilled water, (b). curd, (c). diamond, (d). ice cream, (e). kerosene, (f). cooking oil, (g). steel, (h). graphite, (i). raw rubber, (j). vulcanised rubber, (k). solder wire.
Pure substances:
Mixtures:
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