Strong and weak acids

Which of the following is the correct definition for a strong acid?

• Partially dissociates into ions when dissolved in water and the change is not reversible

• Fully dissociates into ions when dissolved in water and the change is not reversible

• Fully dissociates into ions when dissolved in water and the change is reversible

• Partially dissociates into ions when dissolved in water and the change is reversible

Which of the following is a strong acid?

• Ethanoic acid

• Hydrochloric acid

• Carbonic acid

• Citric acid

Which of the following is the correct balanced equation showing the dissociation of sulfuric acid into ions?

• H₂SO₄ (aq) → H⁺ (aq) + SO₄^–(aq)

• H₂SO₄ (aq) ⇌ 2H⁺ (aq) + SO₄^2- (aq)

• HSO₄ (aq) → H⁺(aq) + SO₄^–(aq)

• H₂SO₄ (aq) → 2H⁺ (aq) + SO₄^2- (aq)

Tags

NGSS.HS-PS1-7

Which of the following statements is true?

• If the H⁺ ion concentration in a solution increases by a factor of 10, the pH of the solution increases by 1

• If the H⁺ ion concentration in a solution increases by a factor of 10, the pH of the solution decreases by 1

What is the Charge of a Proton?

• Positive

• Negative

• Neutral

What is the Charge of an Electron?

• Positive

• Negative

• Neutral

What ions does Hydrogen form when an Acid dissociated ?

• Negative

• Positive

A sour taste is a characteristic of:

• acids

• bases

• neutral

• pH scale

Which is a characteristic of a base?

• tastes sour

• found mostly in foods

• feels slippery

• turn litmus paper red

The amount of material dissolved in a measure of liquid is______

• dilute

• concentration

• volume

Tags

NGSS.HS-PS1-5