Mixtures QC (=right answer)
1)Filtration is useful for separating: a)solids from liquids
b) compounds
c)solutions
d)liquids from liquids
2)which method of separation would be most appropriate for separating a mixture of water?
a)mixtures cant be separated
b)distillation *
c)filtration
d)solutions can’t be separated
3)which method separates components of a mixture according to how quickly the particles travel through a medium?
a)distillation
b)chromatography *
c)evaporation
d)filtration
4) The boiling point of water is 100C. The boiling point of acetone is 56C. which statement about distilling a mixture of acetone and water is correct?
a)acetone will vaporize from the mixture before water *
b)water will vaporize from the mixture before acetone
c)water is collected as it leaves the mixture
d)acetone remains in the original container
5) substance A and substance B are mixed together. To separate the mixture, water is added, and substance A is filtered out. Then, the remaining liquid is heated to remove the water, leaving substance B. Which statement about substance A and B could be correct?
a)substance A is rice, and substance B is sugar ***
b)substance A is salt and substance B is also salt
c)substance A is alcohol, and substance B is salt
d)substance A is a sodium and substance B is chloride; they had reacted together as sodium chloride

Question

17-08-2022
Chemistry

contestada

Mixtures QC (=right answer)
1)Filtration is useful for separating: a)solids from liquids
b) compounds
c)solutions
d)liquids from liquids
2)which method of separation would be most appropriate for separating a mixture of water?
a)mixtures cant be separated
b)distillation *
c)filtration
d)solutions can’t be separated
3)which method separates components of a mixture according to how quickly the particles travel through a medium?
a)distillation
b)chromatography *
c)evaporation
d)filtration
4) The boiling point of water is 100C. The boiling point of acetone is 56C. which statement about distilling a mixture of acetone and water is correct?
a)acetone will vaporize from the mixture before water *
b)water will vaporize from the mixture before acetone
c)water is collected as it leaves the mixture
d)acetone remains in the original container
5) substance A and substance B are mixed together. To separate the mixture, water is added, and substance A is filtered out. Then, the remaining liquid is heated to remove the water, leaving substance B. Which statement about substance A and B could be correct?
a)substance A is rice, and substance B is sugar ***
b)substance A is salt and substance B is also salt
c)substance A is alcohol, and substance B is salt
d)substance A is a sodium and substance B is chloride; they had reacted together as sodium chloride

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tripatsingh039 tripatsingh039 · Answer 1 · 2022-08-23T11:33:13+02:00

1) Filtration is useful for separating: solids from liquids.

2) Distillation would be most appropriate for separating a mixture of water.

3) Chromatography separates components of a mixture according to how quickly the particles travel through a medium.

4) Acetone will vaporize from the mixture before water is the correct statement about distilling a mixture of acetone and water .

5) Substance A is rice, and substance B is sugar is the correct statement about substance A and B .

So, the correct options are: 1) a, 2) b, 3) b, 4) a, 5) a.

1) Filtration is the process of removing solid particles from liquid or gaseous fluids by passing the fluid through a filter medium while keeping the solid particles behind.

2) Distillation is a process that turns a liquid into a vapour, which is then condensed back into a liquid form.

3) Chromatography is a laboratory method used in chemical analysis to separate a mixture into its constituent parts.

4) Due to its lower boiling point than water, acetone separates from water when it begins to heat. The thermometer reads consistently when the temperature reaches 56 degrees Celsius.

5) If substance A can be removed by filtering, it is water-insoluble; if substance B can be recovered by evaporating off the water, it is water-soluble.

Therefore, the correct options are: 1) a, 2) b, 3) b, 4) a, 5) a.

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