by Sunday | Dec 27 | Chemistry JAMB
A. the anode is a silver rod and the cathode is the spoon B. the anode is the spoon and the cathode is a silver rod C. the electrolyte is silver trioxonitrate(v)( solution and the cathode is a silver rod. D. the electrolyte is silver trioxonitrate(v) solution and the...
by Sunday | Dec 27 | Chemistry JAMB
A. fractional crystallization B. fractional distillation C. filtration D. chromatography Correct Answer: Option B – fractional distillation Explanation A process called fractional distillation is used in oil refineries to separate (as well as join or split) the...
by Sunday | Dec 27 | Chemistry JAMB
A. C3H8 B. C2H6 C. C4H10 D. C2H4 Correct Answer: Option D – C2H4 Explanation If you shake an alkene with bromine water (or bubble a gaseous alkene through bromine water), the solution becomes colourless. Alkenes decolourise bromine...
by Sunday | Dec 27 | Chemistry JAMB
A. hydrogen sulphide B. carbon(ii)oxide C. chlorine D. sulphur(iv)oxide Correct Answer: Option B – carbon(ii)oxide Explanation When too much carbon monoxide is in the air you’re breathing, your body replaces the oxygen in your red blood cells with carbon...
by Sunday | Dec 27 | Chemistry JAMB
A. alkene B. alkane C. alkyne D. alkanol Correct Answer: Option C – alkyne Explanation Terminal alkynes react with Tollens reagent (ammoniacal silver nitrate solution) to form silver alkynides as a white precipitate, whereas internal alkynes do not react with...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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