Acid, Alkaline, pH

An alkaline material will have a pH of

• <7

• >7

• =7

An acidic material will have a pH of

• <7

• >7

• =7

A neutral material will have a pH of

• <7

• >7

• =7

If a material has more OH- ions, then it is a(n)

• Acid

• Alkaline

• Neutral

If a material has an equal amount of H+ and OH- ions, then it is a(n)

• Acid

• Alkaline

• Neutral

If a material has more H+ ions, then it is a(n)

• Acid

• Alkaline

• Neutral

Acid rain has a pH of 4. Is acid rain a stronger or weaker acid than the substance in the image?

• Stronger

• Weaker

• It is a base

Tags

NGSS.MS-PS1-2

Here is the results of a pH test of vinegar. Is this substance acidic, alkaline, or neutral?

• Acidic

• Alkaline

• Neutral

Here are the pH results of hand soap. Is this substance acidic, alkaline or neutral?

• Acidic

• Alkaline

• Neutral

Bee venom contains acids and other compounds that causes pain and itching when stung. Calamine, lotion a mild base, helps to relieve these symptoms. Which best explains why it does that?

• Calamine Lotion hydrates the skin around the bee sting.

• Calamine Lotion neutralizes the acids of the bee venom.

• Calamine Lotion decreases the pH of the bee venom.

• Calamine Lotion repairs the damaged cells like a super hero!

Tags

NGSS.MS-PS1-2