Acids and Alkali

Which of the following substances contain acid?

• An orange
• Bleach
• Distilled water
• Washing powder

What is the formula for hydrochloric acid?

• HCl
• HClO
• H₃ClO₃
• HClO₃

What is the formula for nitric acid?

• HNO₂
• HNO₃
• HNO₄
• H₂NO₃

According to Arrhenius, what is the definition of an ACID?

• a substance that contains hydroxide and ionizes to produce OH-

• a substance that contains hydrogen and ionizes to produce H+

• a substance that contains hydrogen and ionizes to produce OH-

• a substance that contains hydroxide and ionizes to produce H+

Which one of the following is an example of a base?

• orange juice
• dish soap
• vinegar
• lemons

A substance that changes color when mixed with an acid or base is a(n) ___.

• indicator
• neutralizer
• corrosive
• electricity

Since some acids seemingly "eat away" certain substances, acids are ____.

• bitter
• sliipery
• corrosive
• weak

Bases are located where on the pH scale?

• any number can be a base
• below 7
• above 7
• number 7 is a base

Which chemical produces an (OH) when mixed with water?

• Acid

• Base

Which of the following substances is basic?

• Apple juice

• Coca-Cola

• Baking soda

• Distilled water