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Acids and Bases
· Substances can be acids, bases or
neutral.
· Alkalis are soluble bases.
· Acid + Base Salt + Water…read more

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Uses of Acids and Bases
Acids and bases have many uses:
­ Citric acid ­ food flavoring
­ Ethanoic acid ­ vinegar, glue
­ Hydrochloric acid ­ cleaning, making PVC
­ Sodium Hydroxide (Caustic Soda) ­ cleaning
­ Ammonia - fertilisers…read more

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Naming Salts
· The combination of metal and acid
decides the salt.
· The first name comes from the metal, eg
sodium, iron or copper.
· The second name comes from the acid,
­ Sulphuric acid Sulphate
­ Nitric acid Nitrate
­ Hydrochloric Chloride…read more

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Equations
· Acid + Metal Salt + Hydrogen
· Acid + Metal Oxide Salt + Water
· Acid + Metal Hydroxide Salt + Water
· Acid + Carbonate Salt + Water
+ Carbon Dioxide…read more

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Insoluble Salt
· Precipitation reactions make insoluble
salts.
· Mix two solutions of soluble salts to make
and insoluble salt.
· Filter the mixture.
· Wash the salt with distilled water.
· Dry it on filter paper.…read more

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