Post Utme Chemistry Questions
Question 641:
The empirical formula of C₄H₄ is:
- A CH₂ empirical formula
- B CH₄ empirical formula
- C C₂H₂ molecular formula
- D CH empirical formula
Question 642:
Ethene is important industrially because ethene is used for:
- A Polymer production processes
- B Iron extraction processes
- C Water softening systems
- D Sulfur purification methods
Question 643:
The formula used for molar gas volume is:
- A Molar volume = P/T
- B Molar volume = n/V
- C Molar volume = V/n
- D Molar volume = m/D
Question 644:
The empirical formula of C₉H₁₈ is:
- A CH₄ empirical formula
- B CH₂ empirical formula
- C C₃H₆ molecular formula
- D CH empirical formula