Post Utme Chemistry Questions
Question 466:
Sodium is represented chemically by the symbol:
- A So metallic symbol
- B Na metallic symbol
- C Sn metallic symbol
- D Sd metallic symbol
Question 467:
The extraction of metals from their ores mainly involves:
- A Formation of water vapour
- B Removal of impurities present
- C Addition of atmospheric gases
- D Dissolution inside solvents
Question 468:
The oxide coating formed on aluminium is important because it:
- A Produces acidic compounds
- B Increases aluminium reactivity
- C Prevents further corrosion
- D Removes metallic strength
Question 469:
The symbol Fe represents the metal:
- A Fermium radioactive element
- B Iron metallic element
- C Francium reactive element
- D Fluorine gaseous element
Question 470:
Noble gases are mainly placed in Group 0 because they:
- A Rarely undergo reactions
- B Form acidic compounds
- C React rapidly with water
- D Conduct electricity strongly