Chemical Reactions

Front

What does the law of conservation of mass state?

Back

Matter can neither be created nor destroyed.

Front

What type of bond exists between a metal and a non-metal?

Back

Ionic bond.

Front

Which of the following is NOT a sign of a chemical change? A loss of transparency, An unexpected color change, A temperature change, The formation of a precipitate?

Back

A loss of transparency.

Front

What is the term for the substances formed in a chemical reaction?

Back

Products.

Front

Is the equation Ag + O2 -> 2Ag2O balanced or unbalanced?

Back

Unbalanced.

Front

What is a chemical reaction?

Back

A process where reactants transform into products.

Front

What are reactants in a chemical equation?

Back

Substances that undergo a chemical change.

Front

What is a precipitate?

Back

A solid that forms from a solution during a chemical reaction.

Front

What is an example of a physical change?

Back

Melting ice.

Front

What is an example of a chemical change?

Back

Burning wood.