Post Utme Chemistry Questions
Question 291:
In the equilibrium reaction:<br/>2CO(g) + O₂(g) ⇌ 2CO₂(g)<br/>Increasing oxygen concentration causes equilibrium to:
- A Shift toward carbon dioxide
- B Stop reacting completely
- C Lose gaseous molecules
- D Shift toward carbon monoxide
View Answer & ExplanationQuestion 292:
Distilled water is usually:
- A Rich in dissolved minerals
- B Permanently hard chemically
- C Highly alkaline naturally
- D Nearly free from impurities
View Answer & ExplanationQuestion 293:
The gas occupying the highest percentage of atmospheric air is:
- A Carbon dioxide gas
- B Nitrogen atmospheric gas
- C Water vapour gas
- D Oxygen atmospheric gas
View Answer & ExplanationQuestion 294:
In the equilibrium reaction:<br/>CH₄(g) + H₂O(g) ⇌ CO(g) + 3H₂(g)<br/>Increasing pressure favours formation of:
- A Methane reactant side
- B Hydrogen gaseous side
- C Carbon monoxide product
- D Catalyst decomposition products
View Answer & ExplanationQuestion 295:
The molar mass of H₂SO₄ is:
- A 64 gmol⁻¹ value
- B 98 gmol⁻¹ value
- C 32 gmol⁻¹ value
- D 44 gmol⁻¹ value
View Answer & Explanation