Chemical Reactions Practice Flashcard

Front

What type of chemical reaction is represented by the equation: Pb(NO3)2 + 2KI → PbI2 + 2KNO3?

Back

Double-replacement reaction.

Front

What are the substances on the right side of the arrow in a chemical equation called?

Back

Products.

Front

What occurs during a chemical reaction?

Back

Atoms are rearranged.

Front

Which of the following is NOT a sign of a chemical reaction? A gas is given off, The material dissolves, Heat is released, A color change occurs.

Back

The material dissolves.

Front

According to the Law of Conservation of Mass, what is true about the total mass of the reacting substances compared to the total mass of the products?

Back

They are always equal.

Front

What is a synthesis reaction?

Back

A type of chemical reaction where two or more reactants combine to form a single product.

Front

What is a decomposition reaction?

Back

A type of chemical reaction where a single compound breaks down into two or more simpler products.

Front

What is a single-replacement reaction?

Back

A type of chemical reaction where one element replaces another in a compound.

Front

What is a catalyst?

Back

A substance that increases the rate of a chemical reaction without being consumed.

Front

What is a precipitate?

Back

A solid that forms and settles out of a liquid mixture during a chemical reaction.