acids and bases

KOH is ...

• an acid

• a base

• a salt

• an ionic compound

Releases hydrogen in an aqueous solution.

• base
• strong base
• acid
• weak base

Which one of the following statements about strong acids is TRUE?

• Strong acids are 100% ionized in water.
• The conjugate base of a strong acid is a strong base.
• Strong acids are very concentrated acids.
• Strong acids produce solutions with a higher pH than weak acids. 

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

According to the pH scale, which of the following would be true?

• baking soda is a weak base while drain cleaner is a strong base
• lemon is a weaker acid than a banana
• tomato and soap are acidic
• vinegar is less acidic than an apple

On the pH scale what numbers are acids?

• 8-14
• 0-7
• 7
• 1

On the pH scale what numbers are bases?

• 8-14
• 0-7
• 7
• 1

A weak base would have a pH of...

• 8
• 7
• 6
• 14

An extremely strong base would have a pH of...

• 1
• 7
• 9
• 14

A neutral substance would have pH of...

• 8
• 7
• 6
• 14