Post Utme Chemistry Questions
Question 661:
The formula used to calculate mass concentration is:
- A Concentration = volume/mass
- B Concentration = mass/volume
- C Concentration = moles × mass
- D Concentration = pressure/volume
Question 662:
A solution containing very little solute is described as:
- A Supersaturated reacting solution
- B Concentrated reacting solution
- C Saturated chemical solution
- D Dilute chemical solution
Question 663:
The equation 2Feâ‚‚O₃ + 3C → 4Fe + 3COâ‚‚ shows carbon acting as:
- A Catalyst only
- B Oxidizing agent
- C Acidic compound
- D Reducing agent
Question 664:
The equation Naâ‚‚O + Hâ‚‚O → 2NaOH forms:
- A Sodium nitrate
- B Sodium chloride
- C Sodium sulphate
- D Sodium hydroxide
Question 665:
The SI unit commonly used for gas volume is:
- A Cubic metre volume
- B Pascal pressure unit
- C Gram per mole
- D Mole concentration unit