by Sunday | Dec 27 | Chemistry JAMB
A. Low temperature and high pressure B. Low temperature and low pressure C. high temperature and low pressure D. high temperature and high pressure Correct Answer: Option A = Low temperature and high pressure Explanation Low temperature and high pressure favor the...
by Sunday | Dec 27 | Chemistry JAMB
A. RCONHR1 A. RCONH2 C. RNH2 D. RCOR1 Correct Answer: Option C – RNH2 Explanation Amines possess a characteristic ammonia smell, liquid amines have a distinctive “fishy” and foul smell. -Amine....
by Sunday | Dec 27 | Chemistry JAMB
A. iron B. copper C. tin D. lead Correct Answer: Option A – iron
by Sunday | Dec 27 | Chemistry JAMB
A. prevent goiter B. prevent tooth decay C. remove odour D. kill germs Correct Answer: Option C – remove odour Explanation Activated Carbon filters are excellent at removing chlorine and related poor taste and...
by Sunday | Dec 27 | Chemistry JAMB
A. cu2+ B. sn2+ C. fe2+ D. zn2+ Correct Answer: Option A – cu2+ Explanation The arrangement of elements in order of increasing electrode potential values is called electrochemical series. K > Na > Ca > Mg > Al > Zn > Fe > Ni > Sn > Pb...
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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