Properties of Acids and Bases
Naming of Acids and Bases
The pH Scale
Applications of the pH Scale
Neutralization & Its Applications
100

This property describes how acids taste

What is sour?

100

This is the name of HCl(aq).

What is hydrochloric acid?

100

The pH scale measures this property of a solution.

What is the concentration of hydrogen ions (acidity)?

100

Human blood has a pH around this value.

What is 7.4?

100

A neutralization reaction occurs between these two types of compounds.

What are an acid and a base?

200

Bases feel this way to the touch.

What is slippery?

200

The correct name for H₂SO₄(aq) is this.

What is sulfuric acid?

200

A neutral solution has this pH value.

What is 7?

200

This household product is basic and often used for cleaning (pH ≈ 12).

What is ammonia (NH₃) or bleach?

200

The general equation for neutralization is: acid + base → this + this.

What is salt and water?

300

Acids react with metals to produce this gas. (Example: Zn + HCl → ZnCl₂ + ___ )

What is hydrogen gas (H₂)?

300

NaOH(aq) is commonly known as this strong base.

What is sodium hydroxide?

300

A solution with [H⁺] = 1 × 10⁻9 M has this pH.

What is pH = 9?

300

Farmers test soil pH to decide whether to add this compound that raises soil pH.

What is lime (calcium carbonate, CaCO₃)?

300

Write the balanced neutralization equation for HCl and NaOH.

What is HCl + NaOH → NaCl + H₂O?

400

This type of compound turns blue litmus paper red.

What is an acid?

400

When naming acids, anions ending in “-ate” become this suffix.

What is “-ic”?

400

If a base has a pH of 10, its [OH⁻] concentration is approximately this. (Use 1 × 10⁻¹⁴ = [H⁺][OH⁻])

What is 1 × 10⁻⁴ M?

400

Acid rain can lower the pH of lakes, harming fish. Adding this base can restore balance.

What is calcium hydroxide (Ca(OH)₂)?

400

This reaction helps treat acid indigestion by neutralizing stomach acid.

What is an antacid reaction?

500

In aqueous solution, acids release these ions, while bases release these ions.

What are H⁺ (hydrogen) ions and OH⁻ (hydroxide) ions?

500

The correct formula for phosphoric acid is this.

What is H₃PO₄?

500

A decrease of one pH unit means the solution becomes this many times more acidic

What is 10 times more acidic?

500

A buffer solution resists this when small amounts of acid or base are added.

What is a change in pH?

500

Farmers use Ca(OH)₂ to neutralize acidic soil. Write the reaction with H₂SO₄.

What is H₂SO₄ + Ca(OH)₂ → CaSO₄ + 2H₂O?