Abeka Chemistry Test 8 Part A

What is the attraction of a substance to the surface of a solid called?

• Absorption

• Adhesion

• Adsorption

• Cohesion

What is a colloid?

• A homogeneous mixture

• A solution of ions

• A pure substance

• A mixture containing tiny clumps or particles that remain suspended

Which of the following is a category that includes emulsions, gels, foams, and sols?

• Solutions

• Colloids

• Suspensions

• Solutes

Which type of substance exhibits the Tyndall effect?

• Solution

• Suspension

• Colloid

• Gas

What does the field of chemical kinetics involve?

• Atomic bonding

• Heat and temperature

• Reaction rates and reaction pathways

• Nuclear decay

Tags

NGSS.HS-PS1-5

What does it mean if two substances in the same phase are miscible?

• They evaporate together

• They form layers

• They are completely soluble in each other

• They form a suspension

What happens when a liquid in a closed container reaches equilibrium with its vapor?

• The temperature increases

• The vapor condenses

• The number of molecules evaporating and condensing are equal

• All molecules freeze

What is enthalpy of solution?

• The energy required to start a reaction

• The total heat absorbed or released when one substance dissolves in another

• The temperature at which saturation occurs

• The heat produced by chemical bonding

What happens at equilibrium between crystallization and dissolution in a solution?

• Crystallization stops

• The solute dissolves completely

• The amount of undissolved solid remains constant

• The solution becomes acidic

What do colligative properties primarily depend on?

• Type of solute

• Temperature

• Volume of solvent

• Concentration of the solution