Unit 4 Practice

Which of the following is NOT a pure substance?

• Water

• Sugar

• Salt

• M&M

Tags

NGSS.MS-PS1-4

A blue berry pancake would be considered which of the following?

• Homogeneous mixture

• Heterogeneous mixture

• Element

• Pure substance

What defines a homogeneous mixture?

• Two or more substances that are evenly mixed at the atomic level

• Two or more substances that are chemically bonded together

• Two or more substances that are not evenly mixed at the atomic level

• Differences can be spotted in the mixture

How would you classify a bowl of chili?

• A homogeneous mixture

• Element

• Pure substance

• Heterogeneous mixture

Which of the following can only be separated through chemical means

• An element

• A compound

• Homogeneous mixture

• Heterogeneous mixture

     Used to separate liquids from solids

• Filtration

• Chromatography

• Distillation

• Magnetism

    Used to separate a solid dissolved in a liquid such as water and salt

• Filtration

• Evaporation

• Distillation

• Chromatography

Used to separate dissolved substances. Often used in the food and beverage to test for impurities and consistency in the product

• Evaporation

• Distillation

• Chromatography

• Filtration

    The particles of the solute dissolve and evenly mix throughout the solvent. This is classified as a homogeneous mixture

• Solution

• Solute

• Colloid

• Suspension

     Their particle size is large. When mixed, the particles suspend, but settle out over time.

• Solution

• Colloid

• Suspension

• Solvent