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Tenth Grade (Grade 10) Acids and Bases Questions

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Grade 10 Acids and Bases
Based on the reaction shown: HNO3+NH3NO-3+NH+4,

Which of the following represents the Bronsted-Lowry acid and its conjugate base?
  1. HNO3/NH+4
  2. NH3/NH+4
  3. HNO3/NO-3
  4. NH3/NO-3
Grade 10 Acids and Bases
What is the correct chemical name for C6H8O7?
  1. Phosphoric Acid
  2. Citric Acid
  3. Stannic Acid
  4. Carbonic Acid
Grade 10 Acids and Bases
Based on the reaction shown: H2SO4+H2OHSO-4+H3O+,

Which of the following represents the Bronsted-Lowry base and its conjugate acid?
  1. H2SO4/HSO-4
  2. H2O/HSO-4
  3. H2SO4/H3O+
  4. H2O/H3O+
Grade 10 Acids and Bases
What is HCl, if it donates a proton to water?
  1. A Bronsted-Lowry acid
  2. A Bronsted-Lowry base
  3. Water
  4. An amphiprotic substance
Grade 10 Acids and Bases
A substance that is capable of donating or accepting a proton is called what?
  1. A Bronsted-Lowry acid
  2. A Bronsted-Lowry base
  3. An amphoteric substance
  4. None of the above
Grade 10 Acids and Bases
If HSO-4 acts as a Bronsted-Lowry acid, what would be its conjugate base?
  1. H3SO+4
  2. H2SO4
  3. SO2-4
  4. H2O
Grade 10 Acids and Bases
Which statement correctly describes a solution with a pH value of 10?
  1. It would turn litmus red.
  2. It would turn methyl orange red.
  3. It would turn thymol blue yellow.
  4. It would turn phenolphthalein pink.
Grade 10 Acids and Bases
Grade 10 Acids and Bases
An unknown solution has an H+ concentration of 10-12 moles per liter. Which of the following statements correctly describes this solution?
  1. The solution is neutral in nature.
  2. The solution is acidic in nature.
  3. The solution is basic in nature.
Grade 10 Acids and Bases
A lake has a pH of 3.0, where the rates of mortality for adult fish are steadily increasing over time. How would a sample of water from this lake affect bromthymol blue?
  1. It would turn the indicator blue.
  2. It would turn the indicator red.
  3. It would turn the indicator yellow.
  4. It would turn the indicator pink.
Grade 10 Acids and Bases
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