Question

Three students A, B and C prepared mixture using chalk powder, common salt and milk respectively in water , whose mixture : a) will not leave residue on filter paper . b) will show Tyndall effect. c) will give transparent solution . d) will settle down at the bottom when left undisturbed . what can be filtered by filter paper .​

Answer 1

Answer:

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Answer 2

Explanation:

Three students A, B and C prepared mixture using chalk powder, common salt and milk respectively in water , whose mixture : a) will not leave residue on filter paper . b) will show Tyndall effect. c) will give transparent solution . d) will settle down at the bottom when left undisturbed . what can be filtered by filter paper .

Solution :-

a) Mixture done by B will not leave any residue as salt solution is a true solution. b) Tyndall effect will be shown by milk solution of C. It’s a colloidal solution. So it shows tyndall effect. c) Salt solution will obviously be the clear solution. So, again its B. d) Chalk powder mixture of A will settle down when left undisturbed as the particles are too heavy to resist gravity. e) Again, Chalk powder of A can be filtered by filter paper. Although, it is possible to filter milk solution of C also, if sufficiently micro-porous filter is used.

Himanshu