AnswersS1S Chemistry B E4912 - AGMixtures and Solutions

Solutions and Solubility Answers

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Which substance is an example of a colloid?

A
milk
B
tomato juice
C
sand and water
D
sugar and water
2
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Mixture A was made by mixing different components together, but it appears to have one phase. Which term best categorizes mixture A?

A
colloid
B
solution
C
emulsion
D
suspension
3

Which is a characteristic of a solution?

A
Its particles scatter light.
B
Its particles are evenly distributed.
C
Its particles settle out.
D
It has large suspended particles.
4

Which of the following is a homogenous mixture?

A
blood
B
steel
C
cloud
D
muddy water
5

The water in a 150-mL flask is poured into a beaker that contains 600 mL of ethyl alcohol. Which substance is the solvent in this mixture?

A
water because it is a very polar compound
B
ethyl alcohol because it has a lower density than water
C
ethyl alcohol because it has a much larger volume than water
D
water because it has dissolved in ethyl alcohol
6

Which solution is a homogeneous mixture?

A
sand and water
B
salt and water
C
salad dressing
D
soil
7

In which situation can a mixture always be called a solution?

A
when one of its components is a gas
B
when there is no solvent in the mixture
C
when its components are made up of different types of particles
D
when the mixture is homogeneous
8

Milk is a heterogeneous mixture that contains different types of particles in different phases. Due to the sizes of the particles in milk and the way they are dispersed, the particles do not easily settle out. They also cannot easily be filtered out.Therefore, milk is best described as a

A
solution
B
suspension
C
compound
D
colloid
9

Which is a characteristic of a homogeneous mixture that is a liquid?

A
It exhibits the Tyndall effect.
B
Brownian motion is not visible in it.
C
It cannot be separated using filtration.
D
It has at least two phases.
10

Which best describes the Tyndall effect?

A
the scattering of light by solutes in a mixture
B
the scattering of light by solvent in a solution
C
the scattering of light by solutes in a solution
D
the scattering of light by particles in a mixture

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