Act 6. Quiz. pH scale

An acid produces _______ ions in water

• Hydrogen

• Hydroxide

• Ammonium

• Hydronium

A base produces _______ ions in water

• Hydrogen

• Hydroxide

• Ammonium

• Hydronium

What type of acid is the one being shown in the picture? (HA is the general chemical formula for acids)

• Weak acid

• Strong acid

• Medium acid

What type of acid is the one being shown in the picture? (HA is the general chemical formula for acids)

• Weak acid

• Strong acid

• Medium acid

In what ions is the compound going to dissociate?

• Al⁺³, OH^-

• A⁺², l⁺³, OH^-

• A⁺², l⁺², O^-, H^-

• A⁺², l⁺², O^-, H⁺

To determina the strength of an acid or base, the ___________ is used.

• the pH scale

• the litmus paper

• the dissociated point

• the pOH scale

A solution of sodium hypochlorite (NaOCl) has a pH of 11. This makes it a(n):

• Acid

• Base

• Neutral substance

• Buffer

Apple juice has a pH of 4. This makes it a(n):

• Acid

• Base

• Neutral substance

• Buffer

What are going to be the products of the reaction on the picture?

• BaSO₄, H₂O

• H₂Ba, SO₄H

• Ba₂SO₃, H₂O

• BaH, SO₃OH

What are going to be the products of the reaction on the picture?

• H₂O, KBr

• H₂K, BrOH

• KOBr, H₂O

• H₂O, Br₂K