Unit 4.3 Review

Which of the following conduct electricity in water (i.e. is an electrolyte)?

A sour taste is characteristic of which type of substance?

A bitter taste is a property of which type of substance?

Which type of substance feels slippery to the touch?

orange juice

Soap

Examine the results (color change) of the pH paper shown in the picture. What type of substance was tested?

If a solution is basic which ion will be more present?

What ion did Arrhenius attribute the properties of acidic solutions to?

In the equation below, what is the Bronsted-Lowry base?

HCl + NH₃ → Cl^- + NH₄⁺

In the equation below, what is the conjugate acid?

HCl + NH₃ → Cl^- + NH₄⁺

NH₃

H₂SO₄

CH₃COOH

KOH