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Acids and Bases Questions - All Grades

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Grade 11 Acids and Bases
Choose the name for the compound H3PO4.
  1. hydrochloric acid
  2. phosphoric acid
  3. hydrocyanic acid
  4. sulfuric acid
Grade 10 Acids and Bases
What solution has less than the maximum amount of solute that can be dissolved?
  1. supersaturated solution
  2. unsaturated solution
  3. saturated solution
  4. normal solution
Grade 9 Acids and Bases
Bases taste bitter, while acids taste sour.
  1. True
  2. False
Grade 10 Acids and Bases
Which of the following groups are acids?
  1. Ammonia, bleach, calcium
  2. Apple juice, coffee, vinegar
  3. Baking soda, blood, drain cleaner
Grade 9 Acids and Bases
What is the scale called that measures the strength of acids and bases?
  1. pH scale
  2. Acidity scale
  3. Corrosive scale
  4. Hydrogen scale
Grade 10 Acids and Bases
Which of the following is an acidic pH?
  1. 7
  2. 3
  3. 9
  4. 12
Grade 7 Acids and Bases

This question is a part of a group with common instructions. View group »

Stomach acid is more acidic than vinegar.
  1. True
  2. False
Grade 9 Acids and Bases
Which pH value indicates a neutral solution?
  1. 0
  2. 5
  3. 7
  4. 10
Grade 9 Acids and Bases
Bleach is classified as a/an                .
  1. base
  2. salt
  3. acids
  4. neutral
  5. both b and c
Grade 9 Acids and Bases
Which of these is a proton donor?
  1. A buffer
  2. A base
  3. A water molecule
  4. An acid
Grade 9 Acids and Bases
If a substance is considered to be a base, that means it has which of the following set of properties?
  1. low concentration of H+ ions, has a pH value of 1 to 6
  2. low concentration of OH- ions, has a pH value of 1 to 6
  3. high concentration of H+ ions, has a pH value of 8 to 14
  4. high concentration of OH- ions, has a pH value of 8 to 14
Grade 10 Acids and Bases
Which of the following is the correct chemical name for the acid contained in vinegar?
  1. Phosphoric Acid
  2. Citric Acid
  3. Acetic Acid
  4. Stannic Acid
Grade 6 Acids and Bases
What happens when an acid and a base come in contact with each other? Choose as many correct answers as are applicable.
  1. The pH level increases for both the acid and the base.
  2. They create a chemical reaction.
  3. They neutralize each other.
  4. The properties of each substance change.
Grade 9 Acids and Bases
The pH scale is used to measure                       .
  1. How acidic a liquid is
  2. How basic a liquid is
  3. Both (a) and (b)
  4. None of the above
Grade 9 Acids and Bases
A strong base is characterized by which of the following?
  1. A high concentration of hydrogen ions
  2. A high concentration of hydroxide ions
  3. A high pH
  4. A low pH
  5. Both b and c
  6. Both a and d
Grade 10 Acids and Bases
Which of the following pH values represents the strongest acid?
  1. pH 4
  2. pH 10
  3. pH 2
  4. pH 7
Grade 10 Acids and Bases
What is the chemical name for HCl?
  1. Hypochloric Acid
  2. Hypochlorous Acid
  3. Hydrochloric Acid
  4. Chloric Acid
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