Question

students take three test tubes A,B,and C having salt solution starch in water and suspension of sand in water.He past small stripes of coloured papers on one side of each test tubes he then observed the colour paper from other side of test tube one by one through the liquid what would be his obervation give reason​

Answer 1

can you please tell weather the paper is on the inside or the outside of the test tube ? considering strips to be on the inside:

salt solution is just as clear as water

so you can see through it

starch solution is cloudy

so you cannot see through it

sand suspension is unstable

so sand will settle down leaving the water on top

and you can see through it

hope it helps

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