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4216

According to the kinetic theory of gases, the pressure exerted by a gas is due to

  • A. The vibrations of gas particles.
  • B. The weight of the gas particles
  • C. The attractive forces between gas particles
  • D. The collisions of gas particles with the container walls
View Answer & Discuss (2) JAMB 2023
4217

What is eutrophication?

  • A. The release of harmful chemicals into water bodies
  • B. The excessive growth of algae due to nutrient enrichment
  • C. The presence of heavy metals in water
  • D. The formation of oil slicks on water surfaces
View Answer & Discuss JAMB 2023
4218

What is the name of the process by which ammonia is produced on an industrial scale?

  • A. Nitrogenation
  • B. Ammoniation
  • C. Nitrification
  • D. Haber process
View Answer & Discuss JAMB 2023
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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4219

Who proposed the planetary model of the atom with electrons orbiting the nucleus?

  • A. Erwin Schrödinger
  • B. Ernest Rutherford
  • C. Niels Bohr
  • D. J.J. Thomson
View Answer & Discuss (15) JAMB 2023
4220

Which of the following is an example of an endothermic reaction?

  • A. Combustion of propane (C\(_3\)H\(_8\)) to produce carbon dioxide (CO\(_2\)) and water (H\(_2\)O).
  • B. Burning of methane (CH\(_4\)) in the presence of oxygen
  • C. Formation of table salt (NaCl) from sodium (Na) and chlorine (Cl\(_2\)).
  • D. Decomposition of hydrogen peroxide (H\(_2\)O\(_2\)) into water (H\(_2\)O) and oxygen (O\(_2\)).
View Answer & Discuss (4) JAMB 2023
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