Chemistry - Chemical Reactions MCQS

A. Synthesis
B. Decomposition
C. Combustion
D. Redox
A. Oxygen
B. Hydrogen
C. Carbon dioxide
D. Nitrogen
A. Decomposition
B. Synthesis
C. Combustion
D. Displacement
A. Displacement
B. Redox
C. Combustion
D. Synthesis
A. Redox
B. Decomposition
C. Combustion
D. Synthesis
A. Double displacement
B. Single displacement
C. Synthesis
D. Combustion
A. Combustion
B. Synthesis
C. Decomposition
D. Redox
A. Sodium chloride and water
B. Hydrogen gas and oxygen gas
C. Sodium hydroxide and water
D. Hydrochloric acid and oxygen gas
A. Synthesis
B. Decomposition
C. Single displacement
D. Double displacement
A. Decomposition
B. Synthesis
C. Combustion
D. Displacement
A. CH₄ + 2O₂ → CO₂ + 2H₂O
B. CH₄ + O₂ → CO + H₂O
C. CH₄ + 2O₂ → CO + 2H₂O
D. CH₄ + O₂ → CO₂ + H₂O
A. Endothermic
B. Exothermic
C. Combustion
D. Redox
A. Synthesis
B. Decomposition
C. Single displacement
D. Double displacement
A. 2HCl + Na₂CO₃ → 2NaCl + H₂O + CO₂
B. HCl + Na₂CO₃ → NaCl + H₂O + CO₂
C. 2HCl + Na₂CO₃ → NaCl + H₂O + CO₂
D. HCl + Na₂CO₃ → 2NaCl + H₂O + CO₂
A. Zinc chloride and water
B. Zinc oxide and water
C. Zinc hydroxide and hydrogen gas
D. Zinc chloride and hydrogen gas
A. Decomposition
B. Synthesis
C. Combustion
D. Redox
A. Double displacement
B. Single displacement
C. Synthesis
D. Decomposition
A. Fermentation
B. Combustion
C. Synthesis
D. Decomposition
A. Single displacement
B. Double displacement
C. Synthesis
D. Decomposition
A. Decomposition
B. Synthesis
C. Single displacement
D. Redox
A. Potassium sulfate and water
B. Potassium hydrogen sulfate and water
C. Potassium sulfate and hydrogen gas
D. Potassium hydroxide and sulfur dioxide
A. 2Al + 6HCl → 2AlCl₃ + 3H₂
B. Al + HCl → AlCl₃ + H₂
C. Al + 2HCl → AlCl₂ + H₂
D. 2Al + 3HCl → AlCl₃ + H₂
A. Decomposition
B. Synthesis
C. Single displacement
D. Double displacement
A. Combustion
B. Synthesis
C. Decomposition
D. Redox
A. 2H₂SO₄ + 2NaOH → 2Na₂SO₄ + 2H₂O
B. H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
C. H₂SO₄ + NaOH → Na₂SO₄ + H₂O
D. 2H₂SO₄ + NaOH → Na₂SO₄ + 2H₂O
A. Exothermic
B. Endothermic
C. Combustion
D. Redox
A. Decomposition
B. Synthesis
C. Combustion
D. Redox
A. Potassium nitrate and water
B. Nitrogen gas and oxygen gas
C. Potassium hydroxide and water
D. Potassium nitrite and water
A. Neutralization
B. Combustion
C. Synthesis
D. Decomposition
A. Displacement
B. Synthesis
C. Decomposition
D. Redox
A. Sodium acetate and water
B. Carbon dioxide and water
C. Sodium acetate and carbon dioxide
D. Sodium hydroxide and carbon dioxide
A. CaCO₃ + 2HCl → CaCl₂ + H₂O + CO₂
B. CaCO₃ + HCl → CaCl₂ + H₂O + CO₂
C. CaCO₃ + 2HCl → CaCl₂ + CO₂ + H₂O
D. CaCO₃ + HCl → CaCl₂ + CO₂ + H₂O
A. Redox
B. Single displacement
C. Double displacement
D. Synthesis
A. Synthesis
B. Decomposition
C. Redox
D. Combustion
A. Sodium chloride and barium sulfate
B. Barium sulfate and sodium chloride
C. Sodium chloride and barium chloride
D. Sodium sulfate and barium chloride
A. Decomposition
B. Synthesis
C. Redox
D. Combustion
A. Magnesium chloride and water
B. Carbon dioxide and water
C. Magnesium chloride and carbon dioxide
D. Magnesium hydroxide and carbon dioxide
A. H₂SO₄ + K₂CO₃ → K₂SO₄ + H₂O + CO₂
B. H₂SO₄ + K₂CO₃ → K₂SO₄ + CO₂ + H₂O
C. H₂SO₄ + K₂CO₃ → K₂SO₄ + 2H₂O + CO₂
D. 2H₂SO₄ + K₂CO₃ → 2K₂SO₄ + 2H₂O + 2CO₂
A. Decomposition
B. Synthesis
C. Single displacement
D. Double displacement
A. Synthesis
B. Decomposition
C. Single displacement
D. Double displacement
A. Silver chloride and sodium nitrate
B. Sodium chloride and silver nitrate
C. Silver chloride and sodium chloride
D. Sodium nitrate and silver chloride
A. Neutralization
B. Combustion
C. Synthesis
D. Decomposition
A. Potassium acetate and water
B. Acetic acid and potassium hydroxide
C. Potassium acetate and acetic acid
D. Water and potassium hydroxide
A. Synthesis
B. Decomposition
C. Redox
D. Combustion
A. Sodium sulfate and hydrogen sulfide
B. Sodium hydrogen sulfate and water
C. Sodium sulfate and water
D. Hydrogen sulfide and sodium sulfate
A. CaO + H₂O → Ca(OH)₂
B. CaO + H₂O → CaOH + H₂
C. CaO + 2H₂O → Ca(OH)₂
D. CaO + 2H₂O → CaOH + H₂
A. Synthesis
B. Decomposition
C. Single displacement
D. Double displacement
A. Synthesis
B. Decomposition
C. Redox
D. Single displacement
A. Potassium chloride and hydrogen sulfide
B. Potassium chloride and sulfuric acid
C. Hydrogen chloride and potassium sulfide
D. Hydrogen sulfide and potassium chloride
A. Fermentation
B. Combustion
C. Synthesis
D. Decomposition
A. Displacement
B. Synthesis
C. Decomposition
D. Redox
A. Calcium nitrate and carbon dioxide
B. Nitrogen gas and water
C. Calcium nitrate and water
D. Carbon dioxide and calcium hydroxide
A. Combustion
B. Synthesis
C. Decomposition
D. Redox
A. 2HCl + Na₂SO₃ → 2NaCl + H₂O + SO₂
B. HCl + Na₂SO₃ → NaCl + H₂O + SO₂
C. HCl + Na₂SO₃ → NaCl + H₂O + 2SO₂
D. 2HCl + Na₂SO₃ → 2NaCl + H₂O + 2SO₂
A. Double displacement
B. Single displacement
C. Synthesis
D. Decomposition
A. Synthesis
B. Decomposition
C. Redox
D. Combustion
A. Barium sulfate and sodium chloride
B. Barium chloride and sodium sulfate
C. Sodium chloride and barium sulfate
D. Sodium sulfate and barium chloride
A. H₂O₂ + MnO₂ → Mn(OH)₂ + O₂
B. 2H₂O₂ + MnO₂ → Mn(OH)₂ + O₂
C. H₂O₂ + MnO₂ → MnO + H₂O + O₂
D. 2H₂O₂ + MnO₂ → MnO + H₂O + O₂
A. Sodium sulfate and water
B. Sodium hydroxide and sulfuric acid
C. Sodium sulfate and hydrogen gas
D. Water and sodium hydroxide
A. Synthesis
B. Decomposition
C. Redox
D. Combustion
A. Displacement
B. Synthesis
C. Decomposition
D. Redox
A. 2Na₂S + 2HCl → 2NaCl + H₂S
B. Na₂S + HCl → NaCl + H₂S
C. Na₂S + 2HCl → 2NaCl + H₂S
D. Na₂S + HCl → NaCl + 2H₂S
A. Synthesis
B. Decomposition
C. Single displacement
D. Double displacement
A. Combustion
B. Synthesis
C. Decomposition
D. Redox
A. Potassium bromide and water
B. Bromine gas and water
C. Potassium hydroxide and hydrobromic acid
D. Potassium bromide and hydrogen gas