Neutralization reactions and naming acids and bases

Answer Key - Grade 10 Science Worksheet - Building Confidence

Circle the best answer, or write your answer on the line.

1. 1.

   In H₂SO₄ + 2 NaOH → Na₂SO₄ + 2 H₂O, 3 sulfuric acid molecules react. How many water molecules form, Ari?

   6 H₂O molecules
2. 2.

   In H₂SO₄ + 2 NaOH → Na₂SO₄ + 2 H₂O, 5 sulfuric acid molecules react. How many water molecules form, Bo?

   10 H₂O molecules
3. 3.

   In H₂SO₄ + 2 NaOH → Na₂SO₄ + 2 H₂O, 4 sulfuric acid molecules react. How many water molecules form, Esme?

   8 H₂O molecules
5. 4.

   Using the curve, what pH does the solution reach at 25.0 mL of NaOH, Jun?

   • 1.00
   • 7.00
   • 12.52
6. 5.

   Using the curve, what happens to the pH as NaOH is added, Kira?

   Use the picture in question 4.

   • It stays at 1.00
   • It rises to 7, then past it
   • It falls the whole time
7. 6.

   Using the curve, how much NaOH has been added when the solution is neutral, Luz?

   Use the picture in question 4.

   • 10.0 mL
   • 25.0 mL
   • 50.0 mL
8. 7.

   In H⁺ + OH⁻ → H₂O, what do the two ions make, Pia?

   • Water
   • Oxygen gas
   • Hydrogen gas
9. 8.

   What is HCl dissolved in water called, Ren?

   • Chloric acid
   • Hydrochloric acid
   • Hydrogen chlorate
10. 9.

    What is HNO₃ called, Tala?

    • Hydronitric acid
    • Nitric acid
    • Nitrous acid
11. 10.

    What is H₂SO₄ called, Zee?

    • Hydrosulfuric acid
    • Sulfurous acid
    • Sulfuric acid