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Reactions of Acids. 3 reactions to know. Acid + Metal SALT + Hydrogen. Acid + BASE SALT + Water. Acid + Metal carbonate SALT + Water + CO 2. A BASE is a metal oxide or metal hydroxide for example, gold oxide, magnesium hydroxide, sodium hydroxide
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3 reactions to know Acid + Metal SALT + Hydrogen Acid + BASE SALT + Water Acid + Metalcarbonate SALT + Water + CO2
A BASE is a metal oxide or metal hydroxide • for example, gold oxide, magnesium hydroxide, sodium hydroxide • A base that dissolves in water is called an ALKALI • A SALT is an ionic compound • Formed from a METAL and a NON-METAL From the metal, base or carbonate From the acid
Metal examples Acid + Metal SALT + Hydrogen Calcium + hydrochloric acid ______________ + ________ Calciumchloride Hydrogen Iron + hydrochloric acid ______________ + ________ Ironchloride Hydrogen __________ + hydrochloric acid Titaniumchloride + Hydrogen Titanium
Carbonate examples Acid + Metal carbonate SALT + water + CO2 Water CO2 Magnesiumchloride Magnesium carbonate + hydrochloric acid ______________ + ______ + _______ CO2 Water Sodiumchloride Sodium carbonate + hydrochloric acid ______________ + ______ + _______ Lithium carbonate Water ______________ + hydrochloric acid Lithiumchloride + _______ + CO2
Base examples Acid + Base SALT + water Water Magnesiumchloride Magnesium oxide + hydrochloric acid _______________ + ______ Sodiumchloride Sodium hydroxide + hydrochloric acid ______________ + ______ Water Lithium hydroxide ______________ + hydrochloric acid Lithiumchloride + water (Or lithium oxide)
So far we have done reactions with hydrochloric acid – this forms salts called CHLORIDES SULPHURIC ACID forms salts called SULPHATES NITRIC ACID forms salts called NITRATES Magnesium + Sulphuric acid _______________ + _______ Magnesiumsulphate Hydrogen Sodium carbonate + Sulphuric acid _____________ + _______ + _____ Sodiumsulphate Water CO2 Calcium oxide + Nitric acid _____________ + _______ Calciumnitrate Water