1) Rusting is a type of: a) Reduction b) Oxidation c) Sublimation d) Condensation 2) Which metal rusts? a) Gold b) Iron c) Silver d) Platinum 3) Rust forms when iron reacts with: a) Nitrogen b) Oxygen and water c) Helium d) Hydrogen 4) What accelerates rusting? a) Dry air b) Oil coating c) Salt Water d) Sunlight 5) Which is a rust preventive? a) Saltwater b) Paint c) Acid rain d) Humidity 6) Galvanisation protects iron by coating it with: a) Paint b) Plastic c) Zinc d) Oil 7) Sacrificial Protection is adding a) A less reactive metal to iron b) A more reactive non metal to iron c) A more reactive metal to iron d) Adding water  8) To remove air from water a) Heat b) Boil c) Add salt d) Use deionised 9) Anhydrous calcium chloride a) Absorb water b) Release oxygen c) Conduct heat d) Reflect light

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