Q.

A sample of sand in water

1) forms homogeneous solution     2) settle on standing

3) does not shows Tyndall effect   4) a homogeneous mixture

Select the correct answer using the codes given below.

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a

2 and 3

b

2, 3 and 4

c

1, 2 and 3

d

1, 2 and 4

answer is A.

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Detailed Solution

Sand in water is a heterogeneous mixture and sand settles on the bottom of the container on standing and does not show Tyndall effect.

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A sample of sand in water 1) forms homogeneous solution     2) settle on standing 3) does not shows Tyndall effect   4) a homogeneous mixture Select the correct answer using the codes given below.