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
4. 4.

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

   • It rises to 7, then past it
   • It stays at 1.00
   • It falls the whole time
5. 5.

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

   • A metal and oxygen
   • An acid and a gas
   • A salt and water
6. 6.

   What forms when hydrochloric acid neutralizes sodium hydroxide, Noah?

   • NaH and HClO
   • NaCl and H₂O
   • Cl₂ and Na
7. 7.

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

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

   What is HCl dissolved in water called, Ren?

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

   What is HNO₃ called, Tala?

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

    What is H₂SO₄ called, Zee?

    • Sulfurous acid
    • Hydrosulfuric acid
    • Sulfuric acid