Precipitation and Acid Reactions

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Last updated 2:02 AM on 6/7/26
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5 Terms

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Precipitation Reaction

What is precipitation reaction?

• usually also double displacement reactions

  • precipitation reaction occurs when teo soluble reactants combine to form an insoluble product

Insoluble - a solid does NOT dissolve

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Reactions of Acids (neutralisation reaction)

acids are a certain group of chemicals which react with particular elements/ compounds in certain ways

Acid + Bases neutralization reaction) :

Acid + Base → salt + water

e.g. hydrochloric acid + sodium hydroxide → sodium chloride + water

HC + NaOH → NaCI + H20

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Acid + Metals

Acid + Metal → salt + Hydrogen gas

e.g. zinc + hydrochloric acid → zinc chloride + hydrogen gas

Zn+ HC → ZnCl2+H2

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Acids + Carbonates

Acid + Carbonate → salt + carbon dioxide + water

+ calcium carbonate + hydrochloric aid → calcium chloride + carbon dioxide

Ca CO3 + HC| → CaCl+ CO2 + H=0

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Acids + Metal Oxides

Acid + Metal oxide → metal salt + water

e.g. nitric acid + magnesium oxide → magnesium nitrate + water

2HNO= + MgO → Mg Mg (NO3)2 + H20