Pure & Impure Substances

Which of the following groups are ALL mixtures?

• soil, water, blood, salt

• Oxygen, water, air, salt

• soil, blood, air, salt water

• salt water, coffee, oxygen, sugar

Italian Salad Dressing

• heterogeneous mixture
• homogeneous mixture

A suspension is a ________

• Heterogeneous mixture

• Homogeneous mixture

• Solution

• Compound

Adam makes coffee by mixing coffee and sugar into hot water. The coffee and sugar have dissolved completely. What type of mixture did Adam make?

• Colloid

• Suspension

• Compound

• Solution

Which of the following is a compound?

• Soil

• Oxygen

• Water

• Salt water

mashed, unpeeled potatoes

• Heterogeneous mixture
• Homogeneous mixture

A substance made of only 1 type of atom is called --

• an element

• a mixture

• a compound

• a salt

Maria takes her son to the doctor and is given a medicine that says shake well before using. What type of mixture was Maria's son given?

• compound

• solution

• suspension

• colloid

The substance that is being dissolved in a solution is called the--

• suspension

• mixture

• solute

• solvent

A substance made of two or more PHYSICALLY combined substances is--

• an element

• a mixture

• a salt

• a compound