Acids

Click on the flashcard to see the answer

What is an acid in terms of its taste and pH level?

Acids generally taste sour and have a pH level less than 7.

What ion do acids release in water?

Acids release hydrogen ions (H+) in water.

Name a common strong acid and where it is often used.

Hydrochloric acid (HCl) is a common strong acid used in cleaning and in the stomach for digestion.

How does litmus paper react to acids?

Litmus paper turns red in the presence of an acid.

What happens in a reaction between an acid and a metal?

Acids react with metals to form salt and release hydrogen gas.

Name a common weak acid and its use.

Acetic acid is a common weak acid used in vinegar.

What is the role of acids in the human body?

Acids, like gastric acid, help in digestion by breaking down food.

Define a monoprotic acid and give an example.

A monoprotic acid can donate only one hydrogen ion per molecule; an example is nitric acid (HNO3).

What is the chemical formula for sulfuric acid?

The chemical formula for sulfuric acid is H2SO4.

Name one industrial use of acids.

Sulfuric acid is used in manufacturing fertilizers.

What safety precautions should you take when handling acids?

Always wear gloves and goggles, and work in a well-ventilated area.

What is the effect of acids on carbonate compounds?

Acids react with carbonates to form carbon dioxide, water, and a salt.

How has acid rain formed and what are its effects?

Acid rain is formed from sulfur dioxide and nitrogen oxides in the atmosphere reacting with water. It can damage plants, aquatic life, and buildings.

Why are acids used in the food industry?

Acids are used as preservatives and to add sour flavor.

What is the difference between a strong acid and a concentrated acid?

A strong acid fully dissociates in water, while a concentrated acid has a high amount of acid in a solution but not necessarily fully dissociated.