Post Utme Chemistry Questions
Question 481:
Aluminium resists corrosion naturally because aluminium forms:
- A Acidic chloride compounds
- B Protective oxide coating
- C Soluble hydroxide crystals
- D Permanent sulfate layers
Question 482:
Copper is commonly used for electric cables because it:
- A Conducts electricity efficiently
- B Forms brittle compounds easily
- C Reacts rapidly with water
- D Produces acidic oxides
Question 483:
Group 0 elements are generally known for being:
- A Conductive solid elements
- B Chemically unreactive gases
- C Strong acidic compounds
- D Highly reactive metals
Question 484:
Elements in Group VII of the periodic table are called:
- A Halogen element family
- B Alkali metal family
- C Transition metal family
- D Noble gas family
Question 485:
Bromine differs from chlorine because bromine is:
- A Liquid at room temperature
- B Highly conductive metal
- C Completely inert element
- D Colourless atmospheric gas