Acids and Alkalis Chemistry

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Acid
A substance containing H+ ions in solution which can be donated to a base. They have a pH of less than 7.
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Alkali
A water soluble base. They contain OH- ions and have a pH of more than 7.
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Base
A species which accepts the H+ ion and reacts with an acid to form a salt.
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Salt
A substance formed when the H+ ion of an acid is replaced by a metal ion or ammonium.
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Soluble
Can dissolve in a named liquid.
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Insoluble
Cannot dissolve in a named liquid.
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Indicator
A substance which changes colour when added to acids or alkalis.
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Neutralisation
The reaction of an acid with an alkali to form a salt.
Acid + alkali → salt + water

H+(aq) + OH-(aq) → H2O(l)
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Precipitate
An insoluble solid formed from the reaction of two solutions (observed as the solutions turn cloudy).
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Precipitation
A reaction forming a precipitate.
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Metal + Acid
Salt + Hydrogen
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Metal Oxide + Acid
Salt + Water
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Acid + Metal Carbonates
Salt + Carbon Dioxide + Water
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Other cards in this set

Card 2

Front

A water soluble base. They contain OH- ions and have a pH of more than 7.

Back

Alkali

Card 3

Front

A species which accepts the H+ ion and reacts with an acid to form a salt.

Back

Preview of the back of card 3

Card 4

Front

A substance formed when the H+ ion of an acid is replaced by a metal ion or ammonium.

Back

Preview of the back of card 4

Card 5

Front

Can dissolve in a named liquid.

Back

Preview of the back of card 5
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