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IGCSE Chemistry > Acids, bases and salts > Flashcards

Acids, bases and salts Flashcards

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1
Q

What is the role of the pH scale?

A

pH scale is used to show the acidity or alkalinity of a solution

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2
Q

What is an acid? (2)

A

Substance that form hydrogen ions when dissolved in water

proton donor

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3
Q

metal + acid →

A

salt + hydrogen

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4
Q

alkali + acid →

A

salt + water

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5
Q

What type of reaction is an metal + acid reaction?

A

redox reaction

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6
Q

metal hydroxide + acid →

A

salt + water

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7
Q

metal carbonate + acid →

A

salt + water + carbon dioxide

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8
Q

What is a base that is soluble in water?

A

Alkali

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9
Q

acid + base →

A

salt + water

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10
Q

Ammonia salts are much more _ than metal salts

A

volatile

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11
Q

alkali + ammonium salt →

A

metal salt + ammonia + water

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IGCSE Chemistry (22 decks)

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