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Acids and Bases Questions - All Grades

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Grade 7 Acids and Bases
Grade 6 Acids and Bases
You can determine the concentration of acids or bases in a solution by using
  1. the pH scale.
  2. a salt.
  3. the periodic table of elements.
  4. a particle accelerator.
Grade 8 Acids and Bases
The table shows the pH of four substances.
pH Values
SubstancepH
Blood7.3
Orange Juice4.0
Ammonia11.0
Milk6.5

Which lists the substances from least to most acidic?
  1. ammonia, blood, milk, orange juice
  2. orange juice, milk, blood, ammonia
  3. ammonia, milk, blood, orange juice
  4. orange juice, blood, milk, ammonia
Grade 7 Acids and Bases
Grade 8 Acids and Bases
A solution at pH 11.5 is                  .
  1. acidic
  2. basic
  3. neutral
  4. none of the above
Grade 7 Acids and Bases
What is the most accurate way to see acidity or alkalinity?
  1. blue litmus paper
  2. red litmus paper
  3. universal litmus paper
  4. indicator
Grade 6 Acids and Bases
Grade 6 Acids and Bases
Grade 8 Acids and Bases
Grade 7 Acids and Bases
A substance with a pH of 2 is a                .
  1. strong acid
  2. weak acid
  3. strong base
  4. weak base
Grade 8 Acids and Bases
Which set of substances listed is correctly sequenced from most to least acidic?
  1. pH = 3, pH = 2, pH = 9
  2. pH = 7, pH = 8, pH = 9
  3. pH = 1, pH = 3, pH = 6
  4. pH = 8, pH = 10, pH = 14
Grade 6 Acids and Bases
A liquid with a pH of 10 is                  .
  1. a base
  2. an acid
  3. neutral
  4. none of the above
Grade 7 Acids and Bases
Grade 6 Acids and Bases
What can we use to show us that a chemical reaction is taking place?
  1. A speedometer
  2. An indicator
  3. A bowl of water
  4. A telescope
Grade 6 Acids and Bases
Which item is NOT an acid?
  1. mustard
  2. sugar
  3. lemon juice
  4. tomato juice
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