Acids, Bases, and Salts

Which of the following values would represent the pH of a strong base?

• 1

• 8

• 7

• 13

Which of the following are the characteristics of a BASE?

• Very bitter in taste

• Release OH- ions when dissolved in water

• Have pH of less than 7

• Turns blue litmus red

According to the pH range given in the image,which substance is more acidic than lemon juice?

• Hydrochloric acid

• Cabbage

• Milk

• Milk Of Magnesia

Tags

NGSS.MS-PS1-2

Which is the correct set of acid properties:

• sour taste, corrosive, change litmus from red to blue

• sour taste, corrosive, change litmus from blue to red

• sweet taste, slippery, change litmus from blue to red

• sour taste, slippery, change litmus from blue to red

Neutralization reactions

• form from joining positive and negative ions 

• increase OH ions

• form a salt and water

• increase H2O ions

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

• transitional metal

• alkaline

• flammable

• corrosive

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.

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

What is the nature of the substance that forms when a weak acid and a strong base react?

• acidic

• basic

• neutral

Tags

NGSS.MS-PS1-2