1) Nitric acid is added to potassium hydroxide to make a salt called potassium nitrate and water. What are the reactants in this example? a) Nitric acid + potassium hydroxide b) Nitric acid + potassium nitrate c) Potassium nitrate + water d) Potassium hydroxide + water 2) Nitric acid is added to potassium hydroxide to make a salt called potassium nitrate and water. What are the products in this example? a) Nitric acid + potassium hydroxide b) Nitric acid + potassium nitrate c) Potassium nitrate + water d) Potassium hydroxide + water 3) Nitric acid is added to potassium hydroxide to make a salt called potassium nitrate and water. What is the correct word equation for this example? a) Nitric acid and potassium hydroxide = potassium nitrate and water b) Nitric acid + potassium hydroxide --> potassium nitrate + water  c)  Nitric acid + water = potassium hydroxide and nitrate d) potassium nitrate + water --> Nitric acid + potassium hydroxide 4) Zinc sulfate, water and bubbles of carbon dioxide are formed when sulfuric acid and zinc carbonate are combined. What are the reactants of this chemical reaction? a) zinc sulfate + water + carbon dioxide b) sulfuric acid + zinc carbonate c) zinc sulfate + water + bubbles d) sulfuric acid + zinc sulfate 5) Zinc sulfate, water and bubbles of carbon dioxide are formed when sulfuric acid and zinc carbonate are combined. What are the products of this chemical reaction? a) zinc sulfate + water + carbon dioxide b) sulfuric acid + zinc carbonate c) zinc sulfate + water + bubbles d) sulfuric acid + zinc sulfate 6) Zinc sulfate, water and bubbles of carbon dioxide are formed when sulfuric acid and zinc carbonate are combined. What is the correct word equation for this chemical reaction? a) zinc sulfate + water + carbon dioxide --> sulfuric acid + zinc carbonate   b) sulfuric acid and zinc carbonate = zinc sulfate and water and carbon dioxide c) zinc sulfate and water and carbon dioxide = sulfuric acid and zinc carbonate  d) sulfuric acid + zinc carbonate --> zinc sulfate + water + carbon dioxide 7) Identify the reactants: calcium + chlorine --> calcium chloride  a) calcium chloride b) calcium + chlorine c) calcium d) chlorine 8) Identify the products: calcium + chlorine --> calcium chloride  a) calcium chloride b) calcium + chlorine c) calcium d) chloride 9) What symbol represents a chemical reaction has taken place: calcium + chlorine --> calcium chloride  a) + b) --> 10) Identify the FALSE statement below: a) Chemical changes are irreversible b) Chemical changes form new substances c) Chemical changes are reversible d) Chemical changes may result in a precipitate

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