colloids suspensions and solutions Flashcards

(20 cards)

1
Q

What is a suspension?

A

A suspension is a heterogeneous mixture in which solid particles are dispersed in a liquid or gas but are not dissolved.

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2
Q

True or False: A colloid has larger particle sizes than a solution.

A

True

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3
Q

Fill in the blank: In a solution, the solute is completely __________ in the solvent.

A

dissolved

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4
Q

What is the main characteristic of a colloid?

A

It contains particles that are larger than those in a solution but smaller than those in a suspension.

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5
Q

Which of the following is an example of a suspension? A) Milk B) Muddy water C) Saltwater

A

B) Muddy water

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6
Q

What is the Tyndall effect?

A

The Tyndall effect is the scattering of light by colloidal particles.

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7
Q

True or False: Solutions can filter out solute particles using a filter paper.

A

False

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8
Q

What type of mixture is formed when particles do not settle over time?

A

Colloid

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9
Q

What is the main difference between a colloid and a suspension?

A

Colloids have particles that remain dispersed and do not settle, while suspensions have particles that will eventually settle out.

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10
Q

Which of the following is a characteristic of a suspension? A) Uniform composition B) Settling of particles C) Transparent

A

B) Settling of particles

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11
Q

Name a common example of a colloid.

A

Milk or fog.

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12
Q

What is the term for the liquid in which a solute is dissolved?

A

Solvent

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13
Q

Fill in the blank: A __________ is a homogeneous mixture of two or more substances.

A

solution

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14
Q

True or False: In a colloid, the dispersed phase is uniformly distributed throughout the continuous phase.

A

True

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15
Q

What happens to the particles in a suspension if left undisturbed?

A

They will settle at the bottom.

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16
Q

What is the dispersed phase in a colloid?

A

The particles that are distributed throughout the continuous phase.

17
Q

Which type of mixture would you expect to be opaque? A) Solution B) Colloid C) Suspension

18
Q

What is an emulsion?

A

An emulsion is a type of colloid formed from the dispersion of one liquid in another liquid.

19
Q

True or False: Solutions can exhibit the Tyndall effect.

20
Q

What is the term for a mixture where particles are evenly distributed but not dissolved?