Phys Sci 9 Acid Base Solutions

If a substance has a pH close to 0

• Acid

• Base

• Both

• Is there anyone worse at their job than a SEC referee?

If a substance has a pH close to 14

• acid

• base

• neither

• both

What will turn litmus paper red?

• acid

• base

• both

• neither

This will most likely turn litmus paper red:

• vinegar

• bleach

• baking soda

• detergent

Which of these substances will conduct electricity the BEST?

• Strong acid

• Weak acid

• Weak base

• None of the above

Tags

NGSS.HS-PS1-3

A substance has a ph of 8:

• Weak base

• Weak acid

• Strong base

• Strong acid

A substance has a pH of 6:

• Weak acid

• Weak base

• Strong acid

• Strong base

What happens when we stir a mixture?

• Decrease the rate of dissolving

• Increase the rate of dissolving

• The mixture will stop dissolving

• Seriously how many more days until Christmas break?

What will NEUTRALIZE vinegar?

• Strong acid

• Weak acid

• Baking soda

• HCl

Tags

NGSS.MS-PS1-2

Typically if we add table salt (NaCl) to a solution, the solution can conduct electricity even better. Why is that?

• We are adding ions to the solution and ions are charged particles able to conduct electricity

• We are adding isotopes to the solution making the number of neutrons quite random

• We are adding NaCl which is a metallic bond because both Na and Cl are metals

• The last 2 days of this semester, that Monday and Tuesday are optional right?

Tags

NGSS.MS-PS2-3