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Chemistry > Acids, Alkalis And Salts > Flashcards

Acids, Alkalis And Salts Flashcards

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1
Q

Alkalis

A

Ph greater than 7, alkaline solutions in water

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2
Q

Neutral

A

Value of 7, not acidic or alkiline

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3
Q

Strong acid

A

A substance that forms aqueous solutions with a ph less than 7 where all the acid particles dissociate:
Hydrochloric acid
Sulphuric acid

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4
Q

Weak acid

A

Don’t fully ionise:
Ethanoic acid
Citric acid
Carbonic acid

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5
Q

Strength

A

How much an acid dissociates

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6
Q

Concentration

A

How much acid there is in a certain volume

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7
Q

PH

A

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
Stronger acid means lower ph number
0-6 = acid, 7 = neutral, 8-14 = alkali

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8
Q

Neutralisation

A

Acid + alkali hydroxide —> salt and water

Acid + metal oxide —> salt and water

Acid + metal carbonate —> salt and water and carbon dioxide

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9
Q

Salts

A

Metal then acid:

Hydrochloric acid —> chloride
Sulfuric acid —> sulfate
Nitric acid —> nitrate

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Chemistry (9 decks)

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