Acids and Bases (1)

Of the following substances, which is the strongest acid? 

• Rain water 
•  Vinegar
• Coke
• Stomach acid (HCl)

Caustic soda is the common name for

• Sodium Carbonate
• Calcium Hydroxide
• Sodium Hydroxide
• Sodium Chloride

The word acid comes from a Latin word meaning

• bitter
• sweet
• dilute
• sour

Which one of the following solutions will turn red litmus blue?

• H₂SO₄
• HCl
• NaOH
• NaCl

Which ONE of the following is NOT a property of an acid?

• It has a sour taste
• Its pH is greater than 7
• It turns litmus red
• It reacts with metals to produce hydrogen gas

Which one of the following household substances is a base?

• Vinegar
• Washing soda
• Tomato ketchup
• Table salt

Which of the following pHs would you expect a concentrated solution of sodium hydroxide to have?

• 1
• 7
• 14
• 3

What type of taste will bases generally have?

• Sour
• Sweet
• Bitter
• Salty

Which one of the following is not a property of the pH scale?

• Bases have a high pH
• A pH of 7 is neutral
•  Acids have a low pH
•  It ranges from 1 to 12

The pH scale is a range from:

• 1-7
• 0-14
• 1-14
• 1-20