Acids and Bases Cooking

The strongest bases have pH values close to

• 0

• 14

• 7

• 5

Which of the following is a base?

• baking soda in water

• orange juice

• vinegar

• lemonade

Ocean water is only slightly basic. What might its pH value be?

• 5

• 8

• 12

• 2

If the substance is neutral, what would the pH be?

• 3

• 5

• 7

• 9

• 11

What is the pH value of a neutral substance?

• 0

• 7

• 14

• 10

Which of the following is not a property of acids?

• They taste sour

• They turn blue litmus paper red

• They react with metals to produce hydrogen gas

• They have a slippery feel

Bases have many uses. They are mainly used to make

• cleaning products

• soaps

• concrete

• all of the answer choices

The diagram shows what happens when red and blue litmus papers are dipped in Solution X.

Which of the following substances could possible be solution X?

• Vinegar

• Lime juice

• Distilled water

• Sodium hydroxide

Tags

NGSS.MS-PS1-2

Name the acid found naturally in citrus fruits.

• Ethanoic Acid

• Sulphuric Acid

• Citric Acid

• Hydrochloric Acid

Alkalis belong to a larger class of chemicals called bases.

• True

• False