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?

   • 12.52
   • 1.00
   • 7.00
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.

   What does an acid and a base make when they neutralize each other, Milo?

   • A salt and water
   • A metal and oxygen
   • An acid and a gas
8. 7.

   What forms when hydrochloric acid neutralizes sodium hydroxide, Noah?

   • NaCl and H₂O
   • NaH and HClO
   • Cl₂ and Na
9. 8.

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

   • Hydrogen gas
   • Water
   • Oxygen gas
10. 9.

    What is HCl dissolved in water called, Ren?

    • Hydrogen chlorate
    • Hydrochloric acid
    • Chloric acid
11. 10.

    What is H₂SO₄ called, Zee?

    • Sulfuric acid
    • Sulfurous acid
    • Hydrosulfuric acid