Post Utme Chemistry Questions
Question 436:
Metals below carbon in the reactivity series are usually extracted by:
- A Filtration separation method
- B Carbon reduction method
- C Electrolysis extraction method
- D Fractional distillation process
Question 437:
Calcium belongs to the periodic table group called:
- A Halogen nonmetal elements
- B Noble gaseous elements
- C Alkaline earth metals
- D Transition metal elements
Question 438:
Chlorine belongs to the periodic table group known as:
- A Halogen element family
- B Transition metal family
- C Alkali metal family
- D Noble gaseous family
Question 439:
Aluminum resists corrosion because it forms:
- A Soluble hydroxide crystals
- B Permanent chloride layers
- C Protective oxide coating
- D Reactive nitrate compounds
Question 440:
Elements in Group I are generally known because they:
- A Remain chemically inert
- B Exist as noble gases
- C Produce acidic oxides
- D Form alkaline hydroxides