Stage observation when a beam of light is passed through a solution of copper sulphate
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Take 8 beakers and label them as A, B, C, D, E, F, G and H and add 50 ml of water to each of these beakers.
Add samples of salt, sugar and alum to beakers A, B and C. Stir to make clear solution.
Add soil, chalk powder and fine sand to beaker D, E and F. Stir for sometime.
Add a small amount of starch to the water and boil the content in beaker G.
In beaker H, add egg albumin and stir vigorously.
Observe the mixture and record them in the table given below.
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