Acid and bases

Which pH value indicates the most basic solution?

• 7

• 8

• 3

• 11

If a solution is acidic, it can be neutralized by adding

• a stronger acid

• heat

• a base

• a weaker acid

Which of the following is a base?

• orange juice
• water
• vinegar
• dishwashing detergent

 Which of the following is an acid?

• shampoo
• baking soda
• orange juice
• water

Pure water has a pH of 7. Pure water _______.

• is a base
• is a neutral substance
• could be either an acid or a base
• is an acid

Tastes bitter.

• Acids

• Bases

• Salts

• All

what colour does Red litmus paper change in a Base?

• Blue

• Red

What colour does Blue litmus paper turn in an acid?

• Red

• blue

Which would you use to find the strength of a acid or a base?

• Litmus paper

• Universal indicator

• Red cabbage water

What range of numbers would you associate with acids?

• 0 to 7

• 7 to 14

• 7