Pure substances and Mixtures

Front

Which of the following is an element? HCl, MgBr, Cu(SO4)3, O

Back

O

Front

Water, also known as H2O, cannot be separated into hydrogen and oxygen. Why?

Back

H2O cannot be separated into hydrogen and oxygen because it is a chemically combined compound.

Front

Daniella made a mistake on her table. Which best describes the mistake she made?

Back

Mixtures are substances that are not chemically combined.

Front

Is this a Compound or Mixture?

Back

Compound

Front

Is this a Compound or Mixture?

Back

Mixture

Front

Is H2O a Pure substance or Mixture?

Back

Pure substance

Front

Is a pencil a Pure substance or Mixture?

Back

Mixture

Front

Which are compounds: HF, KI, CO?

Back

all of the above