Chemical Reactions

What are the substances called that are transformed into different substances during chemical reactions?

• Reactants

• Products

• Catalysts

• Compounds

Which type of reaction involves the exchange of ions between two compounds?

• Synthesis

• Decomposition

• Single replacement

• Double replacement

What effect does increasing the temperature have on the rate of chemical reactions?

• Slows down the reaction

• Speeds up the reaction

• No effect

• Reverses the reaction

What is the purpose of balancing chemical equations?

• To create new elements

• To reflect the conservation of mass

• To increase the rate of reaction

• To change the reactants

What do catalysts do in a chemical reaction?

• Consume reactants

• Increase the rate of reaction

• Decrease the temperature

• Form new products