Identify the choice that best completes the statement or answers the question

Which of the following would not increase the rate of solution?

a$)$ Adding salt beyond the saturation point

b$)$ Increasing the surface area of the solute

c$)$ Increasing the temperature of the solvent

d$)$ Stirring the solution

A crystal of sodium chloride is added to a beaker filled with sodium chloride solution. That crystal floats to the bottom of the beaker and does not dissolve. This solution can be classified as:

a$)$ Saturated

c$)$ Supersaturated

b$)$ Unaturated

d$)$ Not enough information

Which of the following is a diprotic acid?

a$)$ Sulphuric acid

c$)$ Hydrocloric acid

b$)$ Acetic acid

d$)$ Phosphoric acid

A sample of water contains sulfate ions $(S{O}_4^{2-}).$ Which of the following salts could be added to precipitate sulfate ions out of solution?

a$)$ Aluminium Bromide

c$)$ Barium Phosphate

b$)$ Magnesium Chloride

d$)$ Lead $($II$)$ Nitrate

By definition, a compound is a Bronsted$-$Lowry base if:

a$)$ It accepts a proton in a chemical reaction

b$)$ It releases hydroxide ions when dissolved in water

c$)$ It donates a proton in a chemical reaction

d$)$ It releases hydrogen ions when dissolved in water

What is the name of the piece of lab equipment on the right, commonly used in titrations?

a$)$ Volumetric flask

c$)$ Burette

b$)$ Pipette

d$)$ Erlenmeyer flask

The point at which the acid$/$base indicator changes colour in a titration is known as the:

a$)$ Titration point

c$)$ Equivalence point

b$)$ End point

d$)$ Neutral point

Which of the following is considered a weak acid?

a$)$ Hydrochloric acid

c$)$ Phosphoric acid

b$)$ Nitric acid

d$)$ Sulfuric acid

A solution is defined as:

a$)$ A heterogeneous mixture of two or more substances

b$)$ A substance that dissolves a solute

c$)$ A homogeneous mixture of two or more substances

d$)$ A substance that is dissolved in a solvent

By definition, a compound is an Arrhenius base if:

a$)$ It releases hydroxide ions when dissolved in water

b$)$ It accepts a proton in a chemical reaction

c$)$ It donates a proton in a chemical reaction

d$)$ It releases hydrogen ions when dissolved in water