PAP Chemistry Acids and Bases Test Review

What color does acid turn litmus paper?

• It turns litmus paper purple.
• It turns red litmus paper blue.
• It turns blue litmus paper blue.
• It turns blue litmus paper red.

What color does bases turn litmus paper?

• It turns litmus paper purple.
• It turns blue litmus paper red.
• It turns red litmus paper blue.
• It turns red litmus paper re

Drain cleaner has a pH of 13. What is drain cleaner?

• An acid.
• A strong base.
• Neutral.
• A weak base.

What are properties of acids?

• Bitter, slippery, ph above 7
• Sour, reacts with metals, ph below 7
• Sour, reacts with metals, ph above 7
• Bitter, ph of 7, does not react with metals

What are properties of a base?

• Slippery, bitter, does not react with metals, pH above 7.
• Slippery, bitter, reacts with metals, pH below 7.
• Sour, reacts with metals, pH below 7
• Sour, reacts with metals, pH above 7.

What is the name of H₃PO₄?

• hydrophosphoric acid
• phosphorous acid
• phosphoric acid
• phosphoric hydroxide

What is the name of Mg(OH)₂

• magnesium hydroxide acid
• hydromagnesium acid
• magnesium oxygen hydride
• magnesium hydroxide

What is the formula of hydrosulfuric acid?

• H₂S
• H₂SO₄
• HS
• HSO₄

What is the pH of a solution if [H⁺] = 6.0 x 10^-10 M?

• 3.45
• 6.25
• 9.22
• 11.34

What is the [H⁺] of a solution if the pH = 5.60?

• 1.25 x 10^-3 M
• 1.25 x 10^-6 M
• 2.51 x 10^-3 M
• 2.51 x 10^-6 M