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Chemistry Past Questions

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO offline past questions - All questions, answers & explanations in one app 25712
4276

Why is water often referred to as the "universal solvent"?

  • A. Water is the most abundant substance on Earth
  • B. Water is essential for all living organisms.
  • C. Water is involved in many chemical reactions
  • D. Water can dissolve a wide variety of substances due to its polar nature
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4277

Which of the following mixtures is an example of a colloid?

  • A. Milk
  • B. Orange juice
  • C. Saltwater
  • D. Sugar dissolved in water
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4278

Which of the following substances is NOT hygroscopic?

  • A. Salt
  • B. Sugar
  • C. Silica gel
  • D. Aluminum
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO offline past questions - All questions, answers & explanations in one app 25712
4279

What is the mass (in grams) of 500 mL of ethanol? (density of ethanol = 0.789 g/mL)

  • A. 394.5 mL
  • B. 500 mL
  • C. 394.5 g
  • D. 500 g
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4280

The heat of reaction can be determined experimentally using a device called a

  • A. Calorimeter
  • B. Barometer
  • C. Spectrometer
  • D. Thermometer
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts