Ph

What might happen if you mixed a strong acid with an equally strong base?

• You would see an explosive chemical reaction.

• The acid would destroy the base.

• The base would destroy the acid.

• You'd wind up with a pH-neutral substance.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A neutralization reaction will always produce...

• water & salt

• water

• salt

• water & carbon

A pH of 3 is how many times more acidic than a pH of 5?

• 2

• 20

• 10

• 100

A solution has a pH of 7.0.  What would happen to the pH if H ions were added?

• pH would go up

• pH would go down

• pH would stay the same

• None of these

As one moves down the pH scale from 14 to 1, what happens to the concentration of H+ in the solution?

• concentration of H+ decreases

• concentration of H+ increases

• concentration of H+ stays the same

If pure water is added to an acid with a pH of 3, what happens to the pH of the solution?

• the pH increases to above 3

• the pH decreases to below 3

• the pH stays the same at 3

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

• Milk

• Orange Juice

• Pure Water

• Blood

• All Water

Water has a neutral because

• it has more H+ ions than OH-

• it has more OH- ions than H+

• it does not produce any ions

• it has an equal amount of H+ and OH- in solution

A chemical has a pH = 6. It would be best described as

• Strong acid

• Strong base

• Weak acid

• Weak base

Substances that taste sour like lemon juice tend to be classified as

• Acids

• Bases

• Salts

• All