Task 1: Complete the following chemical reactions. 1. Metal + acid → ________ + __________ 2. Metal carbonate + acid → ________ + __________ + _________ 3. Metal oxide + acid → _______ + ________ 4. Calcium + hydrochloric acid → _________ + ___________ 5. Copper carbonate + sulfuric acid → ________ + _________ + ________ 6. Magnesium oxide + nitric acid → ________ + ________ 7. __________ + hydrochloric acid → sodium chloride + hydrogen 8. Potassium carbonate + ________ → potassium nitrate + ________ + _______ 9. ________ + __________ → lithium chloride + carbon dioxide + water Task 2: Answer the following questions in full sentences. 1. Describe the test for hydrogen gas 2. Describe the test for oxygen gas 3. Describe the test for carbon dioxide gas 4. A reaction between an acid and a metal compound produces a gas, limewater turns cloudy in the presence of the gas. a. What gas is being produced? b. Suggest what metal compound is reacting with the acid? Task 3: Answer the following questions in full sentences. 1. Define an Oxidation reaction 2. Define a reduction reaction 3. Give an example of an oxidation reaction Task 3: For each of the following chemical reactions, state whether it is an oxidation or reduction reaction. 1. Iron + oxygen → iron oxide 2. Methane + oxygen → carbon dioxide + water 3. Hydrogen peroxide → water + oxygen 4. Nitrogen dioxide → nitrogen + oxygen 5. Carbon dioxide + water → glucose + oxygen Task 4: Complete the chemical equations below state whether the reaction is an oxidation or reduction reaction 1. Copper + oxygen → __________ 2. Methane + ______ → carbon dioxide + _______ 3. Na2O + HCl → _______ + H2O Task 5: Balance the following chemical reactions 1. Na + H2SO4 → Na2SO4 + H2 3. Fe + O2 → Fe2O3 2. C3H8 + O2 → CO2 + H2O 4. Mg + H2O → Mg(OH)2 + H2