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Acids, Bases, and Salts Quiz PAGE 1

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Questions and Answers

What happens when an acid reacts with a base?

A decomposition reaction occurs, forming hydrogen gas

An oxidation-reduction reaction occurs, forming a metal oxide

An acidic reaction occurs, forming water

A neutralization reaction occurs, forming a salt (correct)

What gases are produced when hydrochloric acid reacts with water?

Hydrogen gas (correct)

Hydrogen gas and oxygen gas

Carbon dioxide gas and hydrogen gas

Helium gas and nitrogen gas

How are acid molecules classified when not dissolved in water?

Ionic solids

Metallic compounds

Covalent molecules (correct)

Non-metallic solutions

What defines an acid according to the text?

A substance that contains hydrogen and can form a salt Signup and view all the answers

How are hydrogen ions (H+) described in aqueous acids?

'Hydro' ions Signup and view all the answers

In a reaction where an acid donates its H+ ions, what is the acid commonly referred to as?

A proton donor Signup and view all the answers

How are acids and bases described in terms of their properties?

Acids and bases have opposite properties and have the ability to neutralize each other. Signup and view all the answers

What is always formed when an acid reacts with a base?

A salt is always formed. Signup and view all the answers

How do acid molecules behave when added to water?

Acid molecules ionize in water, forming positive hydrogen ions (H+ ions) and negative anions. Signup and view all the answers

How can an acid be defined based on its hydrogen content?

An acid is a substance containing hydrogen that can be replaced directly or indirectly by a metal to form a salt. Signup and view all the answers

What is a hydrogen ion (H+) in aqueous acids?

Hydrogen ions (H+) are single protons. Signup and view all the answers

What occurs when an acid reacts with a base?

A salt is formed. Signup and view all the answers

Study Notes

Acid-Base Reactions

When an acid reacts with a base, a salt and water are always formed.
Hydrochloric acid reacts with water to produce hydrogen ions (H+) and chloride ions (Cl-).

Acid Classification

Acid molecules are classified as Arrhenius acids when not dissolved in water.
An acid is defined as a substance that donates a hydrogen ion (H+) in a reaction.

Hydrogen Ions

Hydrogen ions (H+) in aqueous acids are highly reactive and will readily donate a proton.
In a reaction where an acid donates its H+ ions, the acid is commonly referred to as a proton donor.

Acid-Base Properties

Acids and bases are described in terms of their ability to donate or accept protons (H+ ions).
Acids are characterized by their ability to donate H+ ions, while bases are characterized by their ability to accept H+ ions.

Acid Behavior

When acid molecules are added to water, they dissociate into hydrogen ions (H+) and negatively charged ions.
An acid can be defined as a substance that releases H+ ions in aqueous solutions.
A hydrogen ion (H+) in aqueous acids is a positively charged ion formed when an acid donates a proton.

Acid-Base Reaction Products

The reaction between an acid and a base always forms a salt and water.

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Description

Test your knowledge on the properties of acids and bases, as well as their reactions to form salts. Explore the characteristics of different types of acids in various states of matter.