Acids, bases & pH

Which describes a base?

• Turns blue litmus red
• Turns red litmus blue
• pH of 7
• pH of 3

Which of the following is an acid?

• Ammonia
• Drain cleaner
• Shampoo
• Orange

What does a pH scale do?

• Tells you if a substance is an acid.
• Tells you if a substance is a base.
• Measures the strength or weakness of an acid or base.
• All of these are true.

You can eat or drink an acid.

• True
• False

Vinegar is a base.

• True
• False

Tags

NGSS.MS-PS1-2

What is another name for base?

• Phenolphtalein
• Alkaline
• Acid
• pH

Which of the following describes a battery?

• Acid
• Base

Tags

NGSS.MS-PS1-5

What is the pH of distilled water?

• 1
• 4
• 7
• 11

Tags

NGSS.HS-ESS2-5

Which is an acid?

• Turns blue litmus red
• Turns red litmus blue
• Has a pH of 11
• Has a pH of 7

Tags

NGSS.MS-PS1-2

When found in food, acids are ________

• Sour
• Bitter
• Salty
• Slippery