Post Utme Chemistry Questions
Question 587:
A reaction that absorbs heat from the surroundings is called:
- A Oxidation reaction
- B Precipitation reaction
- C Endothermic reaction
- D Exothermic reaction
Question 588:
The reaction Mg + 2HCl → MgClâ‚‚ + Hâ‚‚ shows magnesium:
- A Acting as catalyst
- B Decomposing rapidly
- C Forming oxygen gas
- D Replacing hydrogen
Question 589:
The reaction Hâ‚‚SOâ‚„ + 2KOH → Kâ‚‚SOâ‚„ + 2Hâ‚‚O forms:
- A Potassium sulphate
- B Potassium carbonate
- C Potassium oxide
- D Potassium chloride
Question 590:
The gas mainly responsible for the greenhouse effect is:
- A Nitrogen atmospheric gas
- B Carbon dioxide gas
- C Oxygen gaseous element
- D Hydrogen gaseous element