WorksheetsQuiz on Acids and Bases
Total questions: 20
Worksheet time: 10mins
Which of the following is an example of a natural acid?
Baking soda
Lemon juice
Soap
Vinegar
Acids taste:
Bitter
Sweet
Sour
Salty
Which of the following is a natural indicator?
Litmus
Methyl orange
Phenolphthalein
Red cabbage juice
What color does blue litmus paper turn in acid?
Red
Green
Yellow
Purple
In a basic solution, phenolphthalein turns:
Pink
Yellow
Colorless
Blue
Which of the following can be used to identify acids and bases?
Water
Indicators
Salt
Sugar
Which of the following acids is commonly found in the stomach?
Sulfuric acid
Hydrochloric acid
Citric acid
Acetic acid
Acids react with metals to produce:
Water
Salt
Hydrogen gas
Oxygen gas
Which of the following is a weak acid?
Hydrochloric acid
Nitric acid
Acetic acid
Sulfuric acid
Which acid is used in car batteries?
Acetic acid
Citric acid
Sulfuric acid
Hydrochloric acid
An acid with one hydrogen ion that can be donated is called:
Monobasic acid
Dibasic acid
Tribasic acid
Polybasic acid
Which of the following acids is dibasic?
Nitric acid (HNO₃)
Sulfuric acid (H₂SO₄)
Hydrochloric acid (HCl)
Acetic acid (CH₃COOH)
A tribasic acid can release how many hydrogen ions in solution?
1
2
3
4
The pH scale ranges from:
0 to 7
0 to 10
0 to 14
1 to 12
A substance with a pH of 7 is:
Acidic
Basic
Neutral
Very strong
A solution with a pH less than 7 is considered:
Basic
Neutral
Acidic
Alkaline
What pH value would you expect for a strong acid?
1-3
4-6
7
8-10
Which of the following substances is most likely to have a pH above 7?
Lemon juice
Vinegar
Baking soda solution
Milk
Which of the following has the highest pH value?
Pure water
Soap
Lemon juice
Vinegar
As the pH value decreases, the acidity of a solution:
Increases
Decreases
Stays the same
Becomes neutral
