Post Utme Chemistry Questions
Question 651:
Synthetic polymers are mainly important because synthetic polymers:
- A Prevent all chemical reactions
- B Remove atmospheric nitrogen
- C Form noble gaseous compounds
- D Produce useful plastic materials
Question 652:
The lighter fractions of crude oil generally:
- A Form thick residues
- B Burn more easily
- C Possess higher viscosity
- D Boil at higher temperatures
Question 653:
The fraction of crude oil commonly used as aviation fuel is:
- A Lubricating oil fraction
- B Bitumen petroleum fraction
- C Kerosene petroleum fraction
- D Paraffin wax fraction
Question 654:
Proteins are important biological compounds mainly composed of:
- A Glucose sugar units
- B Amino acid units
- C Glycerol alcohol units
- D Fatty acid molecules
Question 655:
Bitumen obtained from petroleum is commonly used for:
- A Water purification systems
- B Road surface construction
- C Fertilizer manufacturing processes
- D Medical radiation treatment