Acids, Bases and Alkalis - Video

What is a common characteristic of acids?

• They taste sour

• They taste salty

• They taste bitter

• They taste sweet

Which of the following is an example of a natural acid?

• Sodium chloride

• Citric acid

• Calcium carbonate

• Potassium hydroxide

What does the pH scale measure?

• Acidity

• Temperature

• Color

• Density

What happens to the color of litmus paper in an acid?

• It turns red

• It turns green

• It stays the same

• It turns blue

How many buckets of neutral water are needed to change the pH from 4 to 5?

• 1 bucket

• 5 buckets

• 9 buckets

• 10 buckets

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