WebSalt solution is a true solution and shows no scattering of light while milk is a colloid and when light is scattered from the particles of colloids it is illuminated and it is because of Tyndall effect. WebOct 10, 2024 · They placed a milk sample contained in a beaker/tumbler in the box as shown in the below Fig. They were amazed to see that milk taken in the tumbler was …

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Web(a) Explain why the milk sample was illuminated. Name the phenomenon involved. (b) Same results were not observed with a salt solution. Explain. (c) Can you suggest two more solutions which would show the same effect as shown by the milk solution? 38. Classify each of the following, as a physical or a chemical change. Give reasons. WebThey placed a milk sample contained in a beaker/tumbler in the box as shown in the Figure. They were amazed to see that milk taken in the tumbler was illuminated. They tried the … joyce johnson and friends

A group of students took an old shoe box and covered it with

WebAnswer in Brief A group of students took an old shoebox and covered it with black paper from all sides. They fixed a source of light (a torch) at one end of the box by making a hole in it and making another hole on the other side to view the light. They placed a milk sample contained in a beaker/tumbler in the box as shown in Fig.2.4. WebExplain why particles of a colloidal solution do not settle down when left undisturbed, ... They placed a milk sample contained in a beaker/tumbler in the box as shown in the Fig.2.4. ... Explain why the milk sample was illuminated. Name the phenomenon involved. (b) Same results were not observed with a salt solution. ... WebSep 8, 2016 · To date, the best bet for steering clear of bad milk is the whiff test—that is, take a sniff and if the milk in your carton smells funky, don’t drink it. The problem is that … how to make a file pdf file