Chemistry - Grade 12 -2023 G.C

Grade 12 students can now access their exam results by visiting the Educational Assessment and Examination Services (EAES) website.


65. "A reaction that involves the exchange of positive and negative ions of each reactant". This is a definition of a

  1. Single displacement reaction
  2. Double displacement reaction
  3. Combination reaction
  4. Decomposition reaction


66. Which one of the following statement is TRUE about gases?

  1. The volume of a gas is equal to the volume of its container.
  2. When a gas sample is heated at constant pressure, its volume decreases.
  3. The volume of a gas is kept constant as pressure increases.
  4. The particles of gases are closely packed together.


67. Which one of the following mathematical expressions is derived from the combination of Boyle's law, Charles' law and Avogadro's law?

  1. Vα(PnT)" >Vα(PnT)
  2. Vα(nPT)" >Vα(nPT)
  3. Vα(TnP)" >Vα(TnP)
  4. Vα(nTP)" >Vα(nTP)


68. 180 g of calcium carbonate (CaCO3) is allowed to react with 156 gram of hydrochloric acid (HCI), according to the following reaction. Which of the following substances is the limiting reagent?
(Atomic masses; Ca=40, Cl 35.5, O=16, C=12, H=1)
CaCO3+2HCl → CaCl2+CO2+H2O

  1. CO2
  2. H2O
  3. CaCO3
  4. HCl


69. Which one of the following isomers differs in the arrangement of carbon atoms in the longest continuous carbon chain?

  1. Structural
  2. Cis-trans
  3. Position
  4. Geometric


We have provided these questions from previous years grade 12 Ethiopian Secondary School Leaving Certificate Examination (ESSLCE) exams with the sole purpose of assisting students in their studies and preparations for upcoming exams. Please be aware that these questions are not indicative of future exam content. Good luck with your studies!

Connect with us!

MetaAppz Facebook Page MetaAppz Twitter Page MetaAppz Pinterest Page MetaAppz Youtube Page