by Sunday | Dec 27 | Chemistry JAMB
A. galena B. bauxite C. emerald D. nitrochalk Correct Answer: Option B – bauxite Explanation Bauxite ore can help you add all of these essential nutrients to your soil.
by Sunday | Dec 27 | Chemistry JAMB
A. increase in freezing point and increase the boiling point B. increase in freezing point and decrease the boiling point C. decrease in freezing point and decrease the boiling point D. decrease in freezing point and increase the boiling point Correct Answer: Option D...
by Sunday | Dec 27 | Chemistry JAMB
A. C2H5OH B. C3H4 C. C6H6 D. CH3COOH Correct Answer: Option D = CH3COOH Explanation Carboxylic acids and enols react with sodium bicarbonate to liberate carbon dioxide. E,g CH3COOH
by Sunday | Dec 27 | Chemistry JAMB
A. iron(ii)Sulphide B. tin(ii)sulphide C. Zinc Sulphide D. lead(iv) Sulphide Correct Answer: Option C – Zinc Sulphide Explanation ZnS (Zinc Sulfide) screen was used because it emits a flash of light when struck by an alpha particle. This is a phenomenon called...
by Sunday | Dec 27 | Chemistry JAMB
A. 18 B. 20 C. 37 D. 17 Correct Answer: Option B = 20 Explanation The mass number = number of neutrons + atomic number. number of neutrons = The mass number – atomic number. number of neutrons = 37 – 17 =...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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