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k0ka [10]
3 years ago
12

Hi my friends here I am to say that in exam I got 1st rank so thanks effort of your my friends

Chemistry
2 answers:
Rina8888 [55]3 years ago
6 0

Answer:

yay glad you passed your exam even tho i have no memory of knowing you :D

Explanation:

Nitella [24]3 years ago
3 0

Answer:

ooh great

congratulations

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The physical properties of a solution are different from those of the pure solvent. ... Colligative properties are those physical properties of solutions of nonvolatile solutes that depend only on the number of particles present in a given amount of solution, not on the nature of those particles.

5 0
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Dana is trying to determine if an unknown sample is a pure substance or not. The sample has a cloudy white color, and it seems e
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Dana filtered the sample and larger granules of the sample were left behind.

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If a substance is pure, it will have a uniform composition throughout. It will not separate into particles of various sizes.

One of the characteristics of pure substances is that they are homogeneous. A mixture is definitely made up of particles of various sizes.

Since the particles was filtered and larger granules were left behind, the sample has been separated by a physical method (filtration). Only a mixture can be separated by physical methods. It is not a pure substance.

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