Science: Chemical Reactions Quiz

What is a chemical reaction?

• A process where substances are created

• A process where substances are destroyed

• A process where reactants are converted to products

• A process that only occurs in laboratories

What does the law of conservation of mass state?

• Mass is irrelevant in chemical reactions

• Mass can be created in reactions

• Mass can be destroyed in reactions

• Total mass of reactants equals total mass of products

Which of the following is a reactant in respiration?

• Carbon dioxide

• Water

• Glucose

• Hydrogen

What is the general equation for a metal reacting with dilute sulfuric acid?

• Metal + Metal Oxide = Metal Sulfide + Oxygen

• Metal + Dilute Hydrochloric Acid = Metal Chloride + Water

• Metal + Dilute Sulfuric Acid = Metal Sulfate + Hydrogen

• Metal + Water = Metal Hydroxide + Hydrogen

Which of the following is a product of the reaction between a metal carbonate and dilute acid?

• Nitrogen

• Salt

• Oxygen

• Hydrogen

What type of compound is commonly found in shampoos and soaps?

• Carbonates

• Sulfates

• Hydroxides

• Chlorides

What is produced when zinc reacts with dilute sulfuric acid?

• Zinc oxide

• Zinc sulfate

• Zinc chloride

• Zinc hydroxide

What is the result of adding sodium hydroxide to a solution of zinc chloride?

• Zinc and sodium chloride

• Zinc hydroxide and sodium chloride

• Zinc oxide and sodium hydroxide

• Zinc sulfate and sodium hydroxide

Which of the following is a strong base?

• Calcium carbonate

• Calcium hydroxide

• Zinc sulfate

• Sodium chloride

What happens when a reactive metal reacts with water?

• It forms a metal carbonate and carbon dioxide

• It forms a metal chloride and water

• It forms a metal oxide and oxygen

• It forms a metal hydroxide and hydrogen