Mixtures Of Substances Flashcards

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1
Q

What do most things contain?

A

Several different substances mixed together and these are called mixtures.

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2
Q

Give examples of a mixture?

A

A can of soft drink is a mixture because it is a mixture of water,sweetener, flavoring,coloring and gas.

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3
Q

What do mixtures often look and behave like?

A

A single substance.

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4
Q

What can a mixture contain(matter)?

A

Solids,liquids and gasses.

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5
Q

Example: air

Type of mixture:

Main parts of mixture:

A

Gas in gas

Nitrogen and oxygen

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6
Q

Example: wine

Type of mixture:

Main parts of mixture:

A

Liquid in liquid

Alcohol and water

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7
Q

Example: brass

Type of mixture:

Main parts of mixture:

A

Solid in solid

Copper and zinc

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8
Q

Example: soft drink

Type of mixture:

Main parts of mixture:

A

Gas in liquid

Carbon dioxide in water

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9
Q

Example: black coffee

Type of mixture:

Main parts of mixture:

A

Solid in liquid

Coffee powder in water

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10
Q

Example: smoke

Type of mixture:

Main parts of mixture:

A

Solid in gas

Tiny bits of soot, dust etc. in air

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11
Q

Mixture or single substance?

Air

A

Mixture

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12
Q

Mixture or single substance?

Pure water

A

Single substance

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13
Q

Mixture or single substance?

Polluted water

A

Mixture

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14
Q

Mixture or single substance?

Gold

A

Single substance

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15
Q

Mixture or single substance?

Sugared water

A

Mixture

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16
Q

Mixture or single substance?

Sugar

A

Single substance

17
Q

Mixture or single substance?

Helium gas

A

Single substance.

18
Q

Mixture or single substance?

Concrete

A

Mixture

19
Q

Why is it necessary to have a list of contents on the side of a packet of food? (8)

A

Religion,Allergies,Weight loss(avoid fats), disease, vegans,vegetarians, athlete and need to carbo load and lactose intolerant”

20
Q

What is a single pure substance?

A

A substance that has not been changed or mixed with anything in anyway eg.gold, pure water and helium gas.