by Sunday | Dec 27 | Chemistry JAMB
A. neutron and proton B. proton and electron C. proton and ions D. neutron and electron Correct Answer: Option A – neutron and proton Explanation The nucleus contains two types of subatomic particles, protons and neutrons. The protons have a positive electrical...
by Sunday | Mar 21 | Chemistry JAMB
A. Neutral process B. Basic acidic process C. Hydrolysis D. Sublimation Correct Answer: Option C – Hydrolysis Explanation – Hydrolysis is any chemical reaction in which a molecule of water breaks one or more chemical bonds. -Salt hydrolysis is a reaction...
by Sunday | Mar 21 | Chemistry JAMB
A. Actinoids B. Nucleotides C. Pre-actinum elements D. Atomic elements Correct Answer: Option A – Actinoids Explanation The actinide or actinoid series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium....
by Sunday | Mar 21 | Chemistry JAMB
A. Electron gain enthalpy B. Ionization enthalpy C. Enthalpy change D. Enthalpic gas removal Correct Answer: Option B = Ionization enthalpy Explanation – The enthalpy change associated with the removal of the first electron from an isolated gaseous atom. –...
by Sunday | Mar 21 | Chemistry JAMB
A. Gaseous and particulate pollutants B. Carbon and metallic pollutants C. Natural and man-made pollutants D. Sulphuric and nitrogenous pollutants Correct Answer: Option A – Gaseous and particulate pollutants Explanation – The troposphere is the first and...
by Sunday | Mar 21 | Chemistry JAMB
A. Extraction B. Metal mining C. Mettallurgy D. Prospecting Correct Answer: Option C – Mettallurgy Explanation Metallurgy, art and science of extracting metals from their ores and modifying the metals for use.
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