Question 1

Which of the following best describes a salt in the context of chemistry?

Accepted Answer

A compound that contains cations other than $H^+$ and anions other than $OH^-$.

Question 2

Which of the following is NOT a property of salts?

Accepted Answer

They always taste sweet and are highly flammable.

Question 3

Given the reaction $HCl + NaOH \rightarrow NaCl + H_2O$, what type of chemical reaction is this?

Accepted Answer

Neutralization

Question 4

Which of the following is a correct example of a salt?

Accepted Answer

$NaCl$

Question 5

What is the result when hydrochloric acid ($HCl$) reacts with sodium bicarbonate ($NaHCO_3$)?

Accepted Answer

$NaCl + H_2O + CO_2$

Question 6

Which statement about acids is correct?

Accepted Answer

Acids are substances that release $H^+$ ions in water.

Question 7

A student mixes $HCl$ and $NaOH$ in a beaker. Which of the following best describes the products formed?

Accepted Answer

A salt and water

Question 8

Which of the following equations correctly represents the reaction between hydrochloric acid and sodium bicarbonate?

Accepted Answer

$NaHCO_3 + HCl \rightarrow NaCl + H_2O + CO_2$

Question 9

Which of the following is a property of bases?

Accepted Answer

They are proton acceptors.

Question 10

Which of the following best explains why salts are important in the human body?

Accepted Answer

They help maintain electrical neutrality and fluid balance.

Question 11

A patient is given an antacid containing $NaHCO_3$ to neutralize excess stomach acid ($HCl$). What gas is produced as a result of this reaction?

Accepted Answer

$CO_2$

Question 12

Which of the following is a correct definition of a base?

Accepted Answer

A substance that accepts protons ($H^+$).

Question 13

Which of the following is a multi-step process that occurs when $NaHCO_3$ reacts with $HCl$ in the stomach?

Accepted Answer

Formation of $NaCl$, $H_2O$, and $CO_2$ gas, which helps relieve symptoms of acid reflux.

Question 14

Which of the following is NOT a characteristic of acids?

Accepted Answer

They are proton acceptors.

Question 15

If a solution contains $NaCl$, which ions are present after dissociation in water?

Accepted Answer

$Na^+$ and Cl^-$

Question 16

Which of the following reactions demonstrates the neutralization of an acid by a base?

Accepted Answer

$HCl + NaOH \rightarrow NaCl + H_2O$

Question 17

Which of the following is a real-world application of the reaction between $NaHCO_3$ and $HCl$?

Accepted Answer

Using baking soda to relieve heartburn by neutralizing stomach acid.

Question 18

Which of the following best describes the role of bases in the body?

Accepted Answer

They help maintain pH balance by accepting $H^+$ ions.

Question 19

Which of the following is a correct statement about the dissociation of salts in water?

Accepted Answer

Salts dissociate into their component cations and anions.

Question 20

A patient with metabolic acidosis is given $NaHCO_3$ intravenously. What is the primary purpose of this treatment?

Accepted Answer

To neutralize excess acid and restore normal blood pH.

Salts, Acids, and Bases in Anatomy & Physiology

Study Guide - Practice Questions