C2 - Acids and bases

Question 1

What is formed when an acid reacts with a base?

Answer 1

A neutral solution.

Question 2

What is the word equation for neutralization?

Answer 2

acid + base = salt + water

Question 3

What makes a solution acidic?

Answer 3

The more H+ they have.

Question 4

What are indicators?

Answer 4

Indicators are substances that change colour when the pH changes.

Question 5

What do alkali solutions contain?

Answer 5

Hydroxide ions, OH-

Question 6

What is the ionic equation for neutralization?

Answer 6

H+ + OH- = H2O

Question 7

What salt is formed when sulfuric acid reacts with copper oxide?

Answer 7

Copper sulfate.

Question 8

What salt is formed when hydrochloric acid reacts with magnesium carbonate?

Answer 8

Magnesium chloride ( carbon dioxide is also produced )