Question 1

Which of the following is the correct balanced equation for the reaction between hydrochloric acid and magnesium metal?

Accepted Answer

$$2HCl(aq) + Mg(s) \rightarrow H_2$(g) + $$MgCl_2$$(aq)$$

Question 2

When an acid reacts with a carbonate, which of the following products is always formed?

Accepted Answer

Carbon dioxide gas, water, and a salt

Question 3

Which of the following best describes a neutralization reaction?

Accepted Answer

An acid reacts with a base to produce water and a salt

Question 4

What is the balanced equation for the reaction between sodium hydroxide and hydrochloric acid?

Accepted Answer

$$NaOH(aq) + HCl(aq) \rightarrow H_2O(l) + NaCl(aq)$$

Question 5

A student mixes vinegar (acetic acid) with baking soda (sodium bicarbonate). Which gas is produced in this reaction?

Accepted Answer

Carbon dioxide

Question 6

Which of the following is the correct balanced equation for the reaction of hydrochloric acid with sodium carbonate?

Accepted Answer

$$2HCl(aq) + Na_2CO_3(aq) \rightarrow CO_2$(g) + H_2O(l) + 2NaCl(aq)$$

Question 7

In the neutralization of $$HCl(aq)$$ with $$Ba(OH)_2(s)$$, what is the correct stoichiometric ratio of $$HCl to$$ $$Ba(OH)_2$$?

Accepted Answer

2:1

Question 8

Which of the following metals will react with hydrochloric acid to produce hydrogen gas and a salt?

Accepted Answer

Zinc

Question 9

A hospital uses sodium bicarbonate to neutralize excess stomach acid (HCl) in a patient. What are the products of this reaction?

Accepted Answer

Carbon dioxide, water, and sodium chloride

Question 10

Which of the following best explains why balancing coefficients are sometimes needed in neutralization reactions?

Accepted Answer

To ensure the number of $$H^+$$ ions from the acid equals the number of $$OH^-$$ ions from the base

Question 11

Which of the following is the net ionic equation for the neutralization of a strong acid with a strong base?

Accepted Answer

$$H^+(aq) + OH^-(aq) \rightarrow H_2O(l)$$

Question 12

A student adds $$HBr(aq) to$$ $$NaHCO_3(aq$$)$$. Which of the following is a product of this reaction?

Accepted Answer

$$CO_2(g$$)$$

Question 13

Which of the following is a real-life example of a neutralization reaction?

Accepted Answer

Taking an antacid to relieve heartburn

Question 14

If 0.5 mol of $$HCl$$ reacts with 0.25 mol of $$Ba(OH)_2$$, which reactant is the limiting reagent?

Accepted Answer

$$HCl$$

Question 15

Which of the following statements is true about the reaction between an acid and a metal?

Accepted Answer

The metal replaces hydrogen in the acid, producing hydrogen gas and a salt

Question 16

What is the correct balanced equation for the reaction of acetic acid ($$HC_2H_3O_2) $$with sodium bicarbonate ($$NaHCO_3$$)?

Accepted Answer

$$HC_2H_3O_2(aq) + $$NaHCO_3$$(s) \rightarrow CO_2$(g) + NaC_2H_3O_2(aq) + H_2O(l)$$

Question 17

Which of the following is NOT a product when an acid reacts with a bicarbonate?

Accepted Answer

Hydrogen gas

Question 18

A student wants to neutralize 0.1 mol of $$H_2SO_4$$ with $$NaOH. $$How many moles of $$NaOH$$ are required?

Accepted Answer

0.2 mol

Question 19

Which of the following best describes the role of coefficients in balancing chemical equations for acid-base reactions?

Accepted Answer

They ensure the conservation of mass and charge

Question 20

Which of the following is a correct statement about the products of a reaction between an acid and a base?

Accepted Answer

The products are always a salt and water

Reactions of Acids and Bases: Equations and Applications

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