NTSE Stage 2 SAT 2016 Question Paper

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Question : 17 of 100
 
Marks: +1, -0
Four substance were thoroughly mixed with water separately to obtain mixtures A,B,C and D. Some of their properties give below :
I. Path of a beam of light passing throught it was visible in A, B and D but invisible in C.
II. On leaving undisturbed, the particles of the substance settle down in A but not in B, C and D.
III.The solute particles are visible to naked eye in A but invisible in B,C and D.
Which of the following is correct about A,B,C and D ?
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