Acids & Bases QUIZ

Milk has a pH less than pure water, but greater than coffee.  What is the pH of milk?

• 5

• 8

• 7

• 6

Which of the following is a common property of acids?

• They have a slippery feel.

• They turn blue litmus paper red.

• They have a pH greater than 7.

• They turn red litmus paper blue.

What is the pH value of a neutral solution?

• 0

• 7

• 14

• 10

Which of the following is a property of bases?

• They taste sour.

• They react with metals to produce hydrogen gas.

• They feel slippery.

• They turn blue litmus paper red.

What happens in a neutralization reaction?

• An acid and a base react to form a salt and water.

• An acid reacts with a metal to produce hydrogen gas.

• A base reacts with non-metal to produce water.

• An acid and a base cancel each other out, leaving no reaction.

Which pH indicator changes color from blue to red in acidic solutions?

• Phenolphthalein

• Bromothymol blue

• Methyl orange

• Litmus

What is the pH range of bases?

• 0-6

• 7-14

• 0-7

• 7

Which of the following substances is likely to have a pH close to 2?

• Vinegar

• Lemon juice

• Soap solution

• Distilled water

What is the color change of litmus in a basic solution?

• Red to blue

• Blue to red

• No change

• Yellow to red

Which of the following is not a property of acids?

• They conduct electricity.

• They are corrosive.

• They have a pH greater than 7.

• They react with metals to produce hydrogen gas.