Chapter 1- Mixtures Flashcards

0
Q

Homogenous

A

Mixtures that are uniform in composition

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1
Q

Mixture

A

Blend of 2 or more kinds of matter, each of which retains its own identity

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2
Q

Solutions

A

Homogenous mixtures

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3
Q

Heterogenous

A

Mixtures that are not uniform

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4
Q

3 properties of mixtures

A
  1. Can be separated
  2. Properties of mixture are a combination of the properties of its constituents
  3. Composition may vary
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5
Q

5 methods that can separate a mixture

A
  1. Magnetism
  2. By hand
  3. Filtration
  4. Crystallization
  5. Chromatography
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6
Q

Stainless steel

A

Homogenous

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7
Q

Granite

A

Heterogenous

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8
Q

Air

A

Homogenous

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9
Q

Hand lotion

A

Homogenous

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10
Q

Two substances with different boiling points

A

Distillation

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11
Q

Sand from water

A

Filterization

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12
Q

Black ink from pen

A

Chromatography

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13
Q

Solvent

A

Does the dissolving

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14
Q

Solute

A

Substance being dissolved

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15
Q

Soluble

A

Capable of being dissolved

16
Q

Solution

A

Homogenous mixture of 2 or more substances uniformly dispurts though a single phase

17
Q

Alloy

A

Solid solution in which the atoms of 2 or more metals are mixed

18
Q

Suspension

A

Particles are so large they settle out unless the mixture is stirred

19
Q

Colliod

A

Mixture in which particles are medium in size

20
Q

Tyndall effect

A

Occurs when light is scattered by colloidal particles

21
Q

Electrolyte

A

Substance that dissolves in water to give a solution that conducts an electric current

22
Q

Nonelectrolyte

A

Substance that dissolves in water to give a solution that doesn’t conduct electric

23
Q

Examples of suspension

A

Italian salad dressing

Paint

24
Q

Examples of colloid

A

Hairspray

Milk

25
Q

Two components of a colloid

A

Dispersed phase- colloid particles

Dispersed medium- the water

26
Q

Foam

A

A gas dispersed in a liquid

Shaving and whipped cream

27
Q

Emulsion

A

Liquid in a liquid

Milk, butter

28
Q

Liquid aerosols

A

Liquid dispersed in gas

Clouds, fog

29
Q

Examples of electrolytes

A

Copper sulfate

Salt

30
Q

Examples of nonelectrolytes

A

Sugar

Gasoline

31
Q

Less than 1nm in diameter

A

Solution

32
Q

Between 1nm and 1000nm in diameter

A

Colloid

33
Q

More than 1000nm in diameter

A

Suspension

34
Q

Settle out of undisturbed

A

Suspension

35
Q

Pass through standard filter paper

A

Colloid and solution

36
Q

Scatter light

A

Colloid