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Acids and Bases Questions - All Grades

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Grade 12 Acids and Bases
Which of the following helps to neutralize acids and bases?
  1. buffers
  2. viscous membranes
  3. selectively permeable membranes
  4. citric acids
Grade 9 Acids and Bases
A substance with a pH of 0 is a                .
  1. neutral
  2. strong acid
  3. strong base
  4. metal
  5. non-metal
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 10 Acids and Bases
A neutral solution has a pH of
  1. 4.
  2. 5.
  3. 6.
  4. 7.
Grade 9 Acids and Bases
These are weak acids or bases that can react with strong acids or bases to prevent sharp, sudden changes in pH.
  1. Hydrogen ions
  2. Buffers
  3. Solution
  4. Hydroxide ions
  5. Atoms
Grade 10 Acids and Bases
Substances with a pH higher than 7 are                .
  1. acids
  2. bases
  3. neutral
  4. radicals
Grade 7 Acids and Bases
Ammonia and baking soda are examples of a(n)                  .
  1. acid
  2. base
  3. neutral substance
  4. none of the above
Grade 9 Acids and Bases
A substance with a pH of 1.5 is classified as a/an                  .
  1. acid
  2. base
  3. neutral
  4. salt
  5. none of the above
Grade 11 Acids and Bases
This expresses the concentration of H+.
  1. Acid
  2. Base
  3. pH scale
  4. Neutralization
Grade 10 Acids and Bases
What is produced when an acid reacts with a base?
  1. salt and water
  2. hydrogen and water
  3. hydroxide and water
Grade 11 Acids and Bases
Which of the following is a type of acid-base reaction?
  1. Neutralization reaction
  2. Synthesis reaction
  3. Decomposition reaction
  4. Redox reaction
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