Acids, Bases, and Neutralization Reactions

What is the range of pH values in a basic solution?

• 0-7

• 7-14

• 7

What is the only substance with a neutral pH of 7?

• Milk

• Orange Juice

• Water

• Blood

According to the pH range which substance is more acidic than lemon juice

• Hydrochloric acid

• cabbage

• milk

Acidic solutions exhibit a higher ratio of H₃O⁺ ions, known as...

• neutrons

• hydroxide

• electrons

• hydronium

When you place blue litmus paper into an unknown clear solution, the blue litmus paper turns red. Which of the following represents the most logical conclusion?

• The substance has a pH value of "2".

• The substance is a base.

• The substance has a pH value of "7".

• The substance is acidic.

Neutralization reactions

• formed from joining positive and negative ions 

• increases OH ions

• froms a salt and water

• increases H2O ions

Tags

NGSS.MS-PS1-5

Acids are __________, which means they "eat away" at other materials.

• transitional metal

• alkaline

• flammable

• corrosive

What range of values on the pH scale represent solutions with a higher ratio of hydroxide (OH^-) ions?

• below 7

• 7

• above 7

• 0-14

Do acids and bases conduct electricity?

• Only acids conduct electricity

• Only bases conduct electricity

• Bases and acids conduct electricity

• Neither conduct electricity

Which of the following salts will give an aqueous solution having pH of almost 7?

• Ammonium nitrate

• Ammonium chloride

• Calcium chloride

• Sodium chloride