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.

HAMLIE, 2015 E.C JULY 2023 G.C

1. Which one of the following is a colorless, flammable volatile liquid and miscible with non-polar solvents?

  1. Methane
  2. Methanol
  3. Ethanol
  4. Benzene

2. The IUPAC name of the compound with the following structure is:
chemistry structure

  1. 2, 3, 4-Trimethylhexane
  2. 4-Ethyl-2, 3-dimethylpentane
  3. 2-Ethyl-3, 4-dimethylpentane
  4. 3, 4, 5-Trimethylhexane

3. Which one of the following petroleum products is used as a solvent and in dry cleaning?

  1. Diesel oil
  2. Paraffin wax
  3. Petroleum ether
  4. kerosene

4. Which one of the following is NOT TRUE about laboratory preparation of ethylene by dehydration of ethanol?

  1. KMnO4." >The collected ethylene gas in the experiment decolorizes alkaline KMnO4.
  2. Combustion of ethylene produces a non-luminous flame.
  3. Concentrated sulphuric acid is used as a dehydrating agent.
  4. The collected ethylene gas in the experiment decolorizes Br2 in CC14.

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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