Post Utme Chemistry Questions
Question 431:
The symbol Ca represents:
- A Calcium metallic element
- B Chromium metallic element
- C Cadmium metallic element
- D Carbon nonmetal element
Question 432:
The symbol Cu represents the metal:
- A Copper metallic element
- B Calcium metallic element
- C Chromium metallic element
- D Cobalt metallic element
Question 433:
Aluminum is extracted industrially from bauxite mainly by:
- A Heating with carbon
- B Sedimentation separation process
- C Electrolysis extraction process
- D Filtration purification process
Question 434:
Iron bridges are commonly painted mainly to:
- A Improve electrical resistance
- B Increase metallic density
- C Prevent iron corrosion
- D Produce metallic alloys
Question 435:
Halogens are generally known because they:
- A Conduct electricity strongly
- B Exist mainly as metals
- C Form negative ions
- D Produce alkaline oxides