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.


35. An element is located in Group VIIA and 3rd period of the modern periodic table. On the basis of this the element;

  1. has extremely low electron affinity.
  2. forms an acidic oxide.
  3. has very low ionization energy.
  4. generally forms an ion with -2 charges.


36. Which one of the following is the reducing agent in the following reaction? 8NH3(g)+6NO2(g) → 7N2(g)+12H2O(1)

  1. N2
  2. H2O
  3. NH3
  4. NO2


37. Carbon forms two stable compounds with oxygen, namely, carbon monoxide and carbon dioxide. For a fixed mass of carbon, the ratio of oxygen in carbon monoxide to oxygen in carbon dioxide is 1:2. This result is consistent with the law of

  1. multiple proportion.
  2. constant composition.
  3. conservation of mass.
  4. definite proportion.


38. When a system at equilibrium is disturbed by a change of variable, the system shifts the equilibrium position in a way that tends to counteract this change of variable. This is a statement for

  1. Le Chatelier Principle
  2. Heisenberg uncertainty principle
  3. Aufbau principle
  4. Pauli's exclusion principle


39. Which one of the following graphs illustrates the rate change in terms of change in reactant concentration with time?

  1. " >
    option A
  2. " >
    option B
  3. " >
    option C
  4. " >
    option D


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!

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