pH cal

Which ion determines a base?

• H⁺
• OH^-
• OH⁺
• CO_3^2-

What is the pH of an acid and a base respectively?

• pH 3 & 7
• pH 9 & 11
• pH 5 & 8
• pH 2.35 & 5.98

Which of the following ions do all acids have in common?

• H⁺

• Na⁺

• OH^-

• Ca²⁺

A Strong acid is same as concentrated acid. State true or false

• True

• False

If an acid is combined with a base of equal strength, the result will most likely be

• a neutral solution.
• a stronger acid.
• impossible to tell without testing the pH.
• a stronger base

Which of the following is a base?

• orange juice
• water
• vinegar
• dishwashing detergent

NaOH is:

• an Arrhenius base

• an Arrhenius acid

• neither an acid nor a base

• both an acid and a base

An Arrhenius base:

• donates H+

• accepts H+

• produces H+

• produces OH-

An Arrhenius acid:

• donates H+ to another substance

• accepts H+ from another substance

• produces H+

• produces OH-

In the equation below, what is the Bronsted Lowry acid?

HCl + NH₃ --> Cl^- + NH₄⁺

• HCl

• NH₃

• Cl^-

• NH₄⁺