which must be a mixture of substances? 1. solid
2. liquid
3. gas
4. solution
2 answers
4 is the answer
Solids may be a mixture but they may also be a pure substance. example salt
Liquids may be a mixture but they may also be a pure substance. example water.
Gases may be a mixture but they may also be a pure substance. example oxygen.
Solutions are solutes dissolved in solvents; therefore, these MUST be a mixture.
Liquids may be a mixture but they may also be a pure substance. example water.
Gases may be a mixture but they may also be a pure substance. example oxygen.
Solutions are solutes dissolved in solvents; therefore, these MUST be a mixture.