Post Utme Chemistry Questions
Question 461:
A metal that reacts vigorously with cold water is:
- A Silver metallic element
- B Copper metallic element
- C Sodium metallic element
- D Gold metallic element
Question 462:
A common physical property of metals is:
- A Brittle crystalline structure
- B Dull powdery appearance
- C Poor thermal conductivity
- D Good electrical conductivity
Question 463:
The symbol Au represents:
- A Silver metallic element
- B Gold metallic element
- C Argon gaseous element
- D Aluminum metallic element
Question 464:
Aluminium utensils are preferred in kitchens mainly because aluminium:
- A Forms poisonous compounds
- B Corrodes very slowly
- C Reacts rapidly with water
- D Produces acidic solutions
Question 465:
Potassium reacts more vigorously with water than sodium because potassium:
- A Contains fewer electrons
- B Is more reactive chemically
- C Possesses lower density
- D Forms acidic compounds easily