Reactions of Acid

• Acid is a ___

  Proton donar
• What is released when acid is dissolved?

  H+ ions
• Does lots of H+ ions mean a low or high pH?

  Low pH level
• What are the 3 acid reactions?


  - Acid + Metal

  - Acid + Base

  - Acid + Metal Carbonate
• What does MASH2 mean?

  Acid + Metal —> Salt + Hydrogen
• What does BASH20 mean?

  Base + Acid —> Salt + Water
• What does CASH2OCO2 mean?

  Acid + Metal Carbonate —> Salt + Water + Carbon Dioxide
• A base is a ___

  Proton acceptor
• What does a base accept in a neutralisation reaction?

  Protons H+
• What ending do bases have?


  - Oxides

  - Hydroxides
• What are indicators used in?


  To test the pH level of a solution
• What colour is universal indicator in acid?


  Red
• What colour is universal indicator in alkali?

  Purple
• What colour is universal indicator in neutral?


  Green
• What colour is litmus in acid?

  Red
• What colour is litmus in alkali?

  Blue
• What colour is litmus in neutral?

  Purple
• What colour is methyl orange in acid?

  Red
• What colour is methyl orange in alkali?

  Yellow
• What colour is methyl orange in neutral?

  Orange
• What colour is phenolphthalein in acid?

  Colourless
• What colour is phenolphthalein in alkali?

  Pink
• Method for acid + base (preparing an insoluble salt)


  - Add 1cm3 copper sulphate to a test tube, add 1cm3 of sodium hydroxide to the same test tube

  - Note your observations

  - Filter through filter paper and wash the residue with distilled water

  - Your insoluble salt can be left to dry in a warm dry place on the filter paper
• What solutions are in the solubility table?


  - Nitrates

  - Chlorides

  - Sulphates

  - Carbonates

  - Hydroxides
• What elements are in the solubility table?


  - Ammonium

  - Potassium

  - Sodium

  - Barium

  - Calcium

  - Magnesium

  - Aluminium

  - Zinc

  - Iron

  - Lead

  - Copper

  - Silver
• In the solubility table what are nitrates soluble in?

  All
• In the solubility table what are chlorides soluble in?


  All except:

  - Lead

  - Silver
• In the solubility table what are sulphates soluble in?


  All except:

  - Barium

  - Calcium

  - Lead

  - Silver
• In the solubility table what are carbonates soluble in?


  - Ammonium

  - Potassium

  - Sodium
• In the solubility table what are hydroxides soluble in?


  - Ammonium

  - Potassium

  - Sodium
• In the solubility table what is ammonium soluble in?

  All
• In the solubility table what is potassium soluble in?

  All
• In the solubility table what is sodium soluble in?

  All
• In the solubility table what is barium soluble in?


  - Nitrates

  - Chlorides
• In the solubility table what is calcium soluble in?


  - Nitrates

  - Chlorides
• In the solubility table what is magnesium soluble in?


  - Nitrates

  - Chlorides

  - Sulphates
• In the solubility table what is aluminium soluble in?


  - Nitrates

  - Chlorides

  - Sulphates
• In the solubility table what is zinc soluble in?


  - Nitrates

  - Chlorides

  - Sulphates
• In the solubility table what is iron soluble in?


  - Nitrates

  - Chlorides

  - Sulphates
• In the solubility table what is lead soluble in?


  Nitrates