Matter & Chemical Reactions test review *UPDATED*

Front

What is a heterogeneous mixture of particles that can be seen and easily separated by settling or filtration?

Back

Suspension

Front

What is the general formula for a Single Replacement reaction?

Back

A + CD --> C + AD

Front

What are materials made up of repeating units called?

Back

Monomers

Front

How do you determine if a chemical equation is balanced?

Back

A balanced equation has the same number of each type of atom on both sides.

Front

True or False: Synthetic materials are never made from natural resources.

Back

False

Front

What is a pure substance?

Back

A material made of only one type of particle.

Front

What is a colloid?

Back

A mixture where small particles are evenly distributed but not dissolved.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance, while a chemical change alters its composition.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a chemical reaction?

Back

A process where substances (reactants) are transformed into new substances (products).