Molecules, pH, changes test review

Front

What happens to the speed of a chemical reaction when it has a cooling effect?

Back

The reaction slows down.

Front

Which of the following is a compound? NaCl, L, Tu, CO2

Back

NaCl is a compound.

Front

Is 'reacts with oxygen' a physical or chemical property?

Back

It is a chemical property.

Front

What type of mixture is cereal in milk?

Back

Cereal in milk is a heterogeneous mixture.

Front

What is a heterogeneous mixture?

Back

A mixture where the components are not uniformly distributed.

Front

Define a compound.

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is a homogeneous mixture?

Back

A mixture where the components are uniformly distributed.

Front

Give an example of a physical property.

Back

Color, boiling point, and melting point are examples of physical properties.

Front

What is pH?

Back

pH is a measure of how acidic or basic a solution is.

Front

What does a pH of 7 indicate?

Back

A pH of 7 indicates a neutral solution.