Acid, Base, Colligative properties

If a substance has a pH of 10 it is considered

• Acidic
• Basic
• Neutral

Bases produce _________ ions in a solution

• OH-

• Water

• Cl-

• H+

Which pH value indicates the most basic solution?

• 7

• 8

• 3

• 11

Which is the most likely pH for a solution of a weak acid?

• 1

• 6.5

• 3.5

• 5

Which is are characteristics of bases?

• Turns pH paper red

• Turns pH paper blue

What is NH4⁺ classified as?

• Acid

• Base

• Conjugate Acid

• Conjugate Base

Given the reaction above, which compound is the acid?

• NH₃

• HCl

• NH₄⁺

• Cl^-

Given the reaction above, which compound is the conjugate base?

• NH₃

• NH₄⁺

• Cl^-

Four substances were tested for pH, lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk (pH 6). Which of the following correctly lists the substances from most basic to acidic?

• lemon juice, milk, baking soda, bleach

• bleach, baking soda, milk, lemon juice

• milk, lemon juice, baking soda, bleach

• baking soda, bleach, lemon juice, milk

I have a beaker with a pH of 5. Then I add water. What is a possible pH of the beaker after the water is added.

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