Post Utme Chemistry Questions
Question 426:
The corrosion of sodium usually produces:
- A White oxide coatings
- B Brown hydrated crystals
- C Blue sulfate compounds
- D Green carbonate layers
Question 427:
Group VII elements usually form ions carrying:
- A Positive two charge
- B Negative one charge
- C Negative two charge
- D Positive one charge
Question 428:
Metals are usually lustrous because they:
- A Possess shiny surfaces
- B Dissolve inside acids
- C Form brittle crystals
- D Produce acidic solutions
Question 429:
Zinc is represented by the chemical abbreviation:
- A Zn metallic symbol
- B Zr metallic symbol
- C Ze metallic symbol
- D Zi metallic symbol
Question 430:
The symbol Ag represents:
- A Sodium reactive element
- B Silicon solid element
- C Sulfur nonmetal element
- D Silver metallic element