Acids & Bases - Assessment

1.

Multiple Choice

1 min

1 pt

A sour taste is a characteristic of:

acids

bases

neutral

pH scale

2.

Multiple Choice

1 min

1 pt

Which is a characteristic of a base?

tastes sour

found mostly in foods

feels slippery

turn litmus paper red

3.

Multiple Choice

1 min

1 pt

pH is the measure of the concentration of ______.

Acids

H+ ion

OH- ion

Bases

4.

Multiple Choice

1 min

1 pt

According to Arrhenius, what is the definition of an ACID?

a substance that contains hydroxide and ionizes to produce OH-

a substance that contains hydrogen and ionizes to produce H+

a substance that contains hydrogen and ionizes to produce OH-

a substance that contains hydroxide and ionizes to produce H+

5.

Multiple Choice

1 min

1 pt

According to Bronsted-Lowry, what is the definition of an BASE?

a substance that donates a hydrogen (H+) ion

a substance that donates a hydroxide (OH-) ion

a substance that accepts a hydrogen (H+) ion

a substance that accepts a hydroxide (OH-) ion

6.

Multiple Choice

1 min

1 pt

What is being donated/accepted between conjugate acid-base pairs?

a hydrogen (H+) ion

a hydroxide (OH-) ion

water

a neutron

7.

Multiple Choice

1 min

1 pt

What is the conjugate base in the following reaction?

HCO₃^-

HCl

H₂CO₃

Cl-

8.

Multiple Choice

1 min

1 pt

What is the conjugate acid in the following equation?

PO₄^3-

HNO₃

NO₃^-

HPO₄^2-

9.

Multiple Choice

1 min

1 pt

Which of the following correctly identifies an Acid-Base Pair?

HH₄⁺, OH^-

H₂O , OH^-

CaCO_{3 ,}CaCl₂

HNO₃ , H₂SO₄

10.

Multiple Choice

1 min

1 pt

Which of the following is an Arrhenius Acid?

LiOH

CO₃^2-

OH^-

H₃PO₄

11.

Multiple Choice

1 min

1 pt

Which of the following shows the correct conjugate acid base pair?

HCI (acid) / H₃O⁺ (conjugate base)

HCI (acid) / CI^- (conjugate base)

HCI (base) / CI^- (conjugate acid)

HCI (base) / H₃O⁺ (conjugate acid)

12.

Multiple Choice

1 min

1 pt

NaOH is:

an Arrhenius base

an Arrhenius acid

neither an acid nor a base

both an acid and a base

13.

Multiple Choice

1 min

1 pt

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

H+

K+

OH-

H-

14.

Multiple Choice

1 min

1 pt

Which of the following is a strong acid?

oxalic acid

nitric acid

carbonic acid

acetic acid

15.

Multiple Choice

1 min

1 pt

CsOH is classified as a:

strong acid

weak acid

strong base

weak base

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