PH scale Flashcards by Annabelle Whitton

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Q

Melting?

A

Solid to liquid

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Q

Boiling?

A

Liquid to gas

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Q

Freezing?

A

Liquid to solid

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Q

Condensation

A

Gas to liquid

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Q

0-6

A

Acid

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Q

7

A

neutral

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Q

8-14

A

alkali

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Q

Red 0-4

A

strong acid

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Q

Orange 5

A

weak acid

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Q

Yellow 6

A

weak acid

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Q

Green 7

A

neutral

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Q

Blue 8-10

A

weak alkali

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Q

Purple 11-14

A

strong alkali

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Q

An acid+ an alkali

A

neutral solution

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Q

Solvent

A

liquid dissolves a substance

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Q

Soluble

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A

Solid that dissolves

Q

Insoluble

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A

A solid that doesn’t dissolve in a soluble

Q

Filtering removes solids but

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A

dissolved substances stay in water

Q

Distillation removes

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A

both solids and dissolved substances

Q

Purple ink

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A

blue + red dye

Q

Single dye inks

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A

only one spot appears

Q

spot x

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A

same colour as the dye it matches on the paper

Q

Pen ink would run and mix with the test

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A

Q

Yellow/saftey

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A

closed - cool and sooty

Blue flame

partly open

Roaring blue flame

fully open - hottest best for heating

Flammable

catches fire easily

Toxic

Can cause harm if swallowed

Corrosive

Can burn skin

Solid

vibrate only close and regular

Liquid

move slowly random and close

Gas

moves slowly far apart and random