1) What is the positive rod called in electrolysis? a) Cathode b) Anode c) Anion d) Cation 2) What is the negative rod called in electrolysis? a) Cathode b) Anode c) Anion d) Cation 3) What is the negative ion called in electrolysis? a) Cathode b) Anode c) Anion d) Cation 4) What is the positive ion in electrolysis? a) Cathode b) Anode c) Anion d) Cation 5) What do we add to aluminium oxide to lower its melting point? a) Oxygen b) Hydrogen c) Nitrogen d) Cryolite 6) Bump into the acids  a) Sulfuric acid b) Hydrogen c) Nitric acid d) Hydrochloric acid e) Sodium hydroxide 7) Bump into the alkalis a) Sodium hydroxide b) Nitric acid c) Magnesium oxide d) Sulfuric acid 8) What is the test for hydrogen? a) Limewater test b) Squeeky pop test c) Splint relight

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