Solutions Acids and Bases Unit Exam

According to the scale, which of these substances is the strongest acid?

• NaOH

• blood

• bleach

• lemon juice

A(n)______________ solution is one that contains less than the maximum possible solute at a given temperature and pressure.

• saturated

• subsaturated

• supersaturated

• unsaturated

How does crushing a cube of solute increase the rate of dissolving?

• By increasing the amount of solvent.

• By decreasing the amount of solvent.

• By increasing the surface area of the solute.

• By decreasing the surface area of the solute.

Which is an example of a solution?

• air

• oxygen

• salt

• water

According to the pH chart, which is the strongest base?

• HCl

• NaOH

• blood

• saliva

Based on the solubility chart, which of the listed salts is the most soluble at 25 °C?

• sodium nitrate

• sodium chloride

• potassium nitrate

• potassium chlorate

Tags

NGSS.MS-PS1-2

Coca cola is similar to tomato juice because...

• they are both bases.

• they are both acids.

• they are carbonated.

• they are high in fructose.

What property do all three of these common household substances (Pepsi, Vinegar, Orange Juice), have in common?

• They are all acidic.

• They all taste bitter.

• They all have a pH above 7.

• They all turn litmus paper blue.

What conclusion may be made based on this graph?

• Increasing temperature increases solubility.

• Decreasing temperature increases solubility.

• Increasing temperature decreases solubility.

• Increasing solubility, decreases temperature.

Tags

NGSS.MS-PS1-4

Which compound demonstrated the LEAST increase of solubility as a result of an increase in temperature?

• sodium nitrate

• sodium chloride

• potassium iodide

• potassium nitrate

Tags

NGSS.MS-PS1-4