You are given 3 white powder one is of sodium chloride, second is of starch and third is of chalk. You are also provided with 3 beakers and distilled water. Using these materials identify the 3 powders.
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chalk when crushed and put in water gets suspended at bottom
starch forms a colloid
and nacl mix uniformly
starch forms a colloid
and nacl mix uniformly
adhiraa04:
Sodium chloride sir?
yes
Sodium chloride is a colliod or suspension
Thank you so much!
true solution
because it mix with water uniformly
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1
Answer:
Explanation:
As chalk powder is a suspension it can be separated through the process of filtration
And starch can be separated by centrifugation and back can be separated by crystallization
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