Acids and Bases Properties and Reactions

Which of the following is the strongest base?

• oven cleaner - 13.5

• lemon juice - 2.5

• soap - 10

• blood - 7.4

Which of the following is the strongest acid?

• oven cleaner - 13.5

• lemon juice - 2.5

• soap - 10

• blood - 7.4

Tags

NGSS.MS-PS1-2

A substance is found to have the following characteristics:

Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water

In what category would the substance be classified?

• acid

• base

• enzyme

• fatty acid

Which of these pH values represent an acid?

• 4

• 8

• 10

• 12

When acids react with metals, they produce hydrogen gas and salt.

• True

• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following are properties of acids?

• They conduct electricity when dissolved in water

• They taste sour

• They react with metals to produce hydrogen gas

• All of the answer choices are correct

Which of the following is a property of a base?

• bitter taste

• reacts with metals

• salty

• sour taste

Bases have many uses. They are mainly used to make

• cleaning products

• soaps

• concrete

• all of the answer choices

Explain what happens when a strong acid and a strong base are poured into the same container.

• they form separate layers
• they mix physically but not chemically
• they break apart into separate elements
• they react chemically to form a salt

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is true about acids and bases?

• The lower the pH, the stronger the acid
• the higher the pH, the stronger the acid
• The lower the pH, the more neutral the acid
• The higher the pH, the weaker the base