Neutralization reactions and naming acids and bases

Answer Key - Grade 10 Science Worksheet

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

1. 1.

   A solution holds 0.008 mol of H⁺ from HCl, and 0.0025 mol of OH⁻ from NaOH is added. How many moles of H⁺ are left, Bo?

   0.0055 mol
2. 2.

   A solution holds 0.01 mol of H⁺ from HCl, and 0.004 mol of OH⁻ from NaOH is added. How many moles of H⁺ are left, Esme?

   0.006 mol
3. 3.

   What does nitric acid, HNO₃, make with potassium hydroxide, KOH, Jun?

   • KNO₂ and H₂O₂
   • KNO₃ and H₂O
   • K₂NO₃ and H₂O
4. 4.

   Which balanced equation shows sulfuric acid neutralizing sodium hydroxide, Kira?

   • H₂SO₄ + 2 NaOH → Na₂SO₄ + 2 H₂O
   • H₂SO₄ + 2 NaOH → Na₂SO₄ + H₂O
   • H₂SO₄ + NaOH → NaSO₄ + H₂O
5. 5.

   What does acetic acid, CH₃COOH, make with sodium hydroxide, Luz?

   • CH₃COONa and H₂O
   • CH₃COOH₂ and NaO
   • CH₃Na and HCOOH
6. 6.

   What is the acid made from the nitrite ion, NO₂⁻, called, Milo?

   • Nitric acid
   • Hydronitrous acid
   • Nitrous acid
7. 7.

   H₂SO₃ is made from the sulfite ion. What is it called, Pia?

   • Sulfurous acid
   • Sulfuric acid
   • Hydrosulfuric acid
8. 8.

   What is KOH called, Ren?

   • Potassium hydride
   • Potassium hydroxide
   • Potassium oxide
9. 9.

   What is Ca(OH)₂ called, Tala?

   • Calcium oxide
   • Calcium hydroxide
   • Calcium peroxide
10. 10.

    Milk of magnesia is mostly Mg(OH)₂. What is that compound called, Zee?

    • Magnesium hydroxide
    • Manganese hydroxide
    • Magnesium oxide