1) The product of the reaction between copper and oxygen a) Copper Oxygen b) Copper Oxide c) Copper Carbonate 2) The name given to chemicals which react together a) Products b) Chemicals c) Reactants d) Combustion 3) This is released when fuels burn in Oxygen a) Oxygen b) Nitrogen c) Hydrogen d) Carbon dioxide e) Energy 4) The metal which reracts with oxygen to form magnesium oxide a) Potassium (K) b) Magnesium (Mg) c) Sodium (Na) d) Calcium (Ca) e) Helium (He) f) Zinc (Zn) 5) The name given to new chemicals produced in a reaction. a) Reactants b) Products c) Chemicals d) Energy 6) When a fuel burns, this gas is produced. a) Carbon dioxide b) Hydrogen c) Oxygen d) Nitrogen e) Helium f) Sodium 7) The other chemical produced when a fuel burns. a) Water b) Oxygen c) Potassium Oxide d) Calcium Carbonate 8) The oxide formed when zinc reacts with oxygen a) Zinc oxygen b) Oxide zinc c) Zinc Oxide d) Oxygen Zinc 9) Combustion reactions cannot be reversed. They are... a) Reversible b) Irreversible c) Physical d) Chemical 10) This metal is forms a black oxide when it is heated. a) Zinc b) Sodium c) Potassium d) Calcium e) Copper f) Oxygen

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