ISChemistry: Acids, Bases, and Chemical Reactions

What are the products of the reaction: Hydrogen sulfate + copper chloride → ?

• Copper sulfate + hydrogen peroxide

• Copper sulfate + hydrogen chloride

• Hydrogen sulfide + copper hydroxide

• Copper oxide + hydrochloric acid

What are the products of the reaction: Hydrogen chloride + sodium hydroxide → ?

• Sodium chloride + water

• Sodium sulfate + hydrogen

• Sodium oxide + water

• Hydrogen chloride + sodium oxide

What are the reactants for the reaction: ? → Calcium hydroxide + hydrogen

• Calcium oxide + water

• Calcium sulfate + water

• Calcium sulfate + calcium hydroxide

• Calcium carbonate + hydrogen chloride

What is written on the left side of a chemical equation?

• Products

• Reactants

• Coefficients

• Subscripts

What is written on the right side of a chemical equation?

• Products

• Reactants

• Compounds

• Atoms

What type of reaction is represented by A + B → AB?

• Decomposition

• Synthesis

• Combustion

• Single replacement

What type of reaction is represented by AB → A + B?

• Decomposition

• Synthesis

• Double replacement

• Neutralization

A student added potassium iodide to a mystery chemical and produced lead iodide and potassium nitrate. What was the mystery chemical?

• Potassium nitrate

• Lead nitrate

• Lead iodide

• Potassium sulfate

What two important words describe what happens during a chemical reaction?

• Reactants, Products

• Elements, Compounds

• Atoms, Molecules

• Synthesis, Decomposition

If reactant A (14g) reacts with reactant B (25g) to produce product A (10g) and product B (25g), what is the mass of reactant B?

• 14g

• 20g

• 25g

• 30g