by Sunday | Sep 16 | Chemistry JAMB
A. efflorescence B. déliquescence C. effervescence D. fluorescence Correct Answer: Option A – efflorescence Explanation Efflorescence is a process of long exposure to the atmosphere which favors salt loss of water. Options B, C, D are not related to loss of...
by Sunday | Sep 16 | Chemistry JAMB
A small quantity of solid ammonium chloride (NH4Cl) texted gently in a test tube, the solid gradually disappear produce two gases. Later, a white cloudy deposit was absent on the cooler part of the test tube. The ammonium chloride is to have undergo? A. distillation...
by Sunday | Sep 16 | Chemistry JAMB
A. HNO3 B. CH3COOH C. H2SO4 D. HCl Correct Answer: Option C – H2SO4 Explanation H2SO4 is the acid used in the electrolysis of water. Option A,B,D are concentrated acid and they will react with the water
by Sunday | Sep 16 | Chemistry JAMB
A. monometer B. the single bond C. the double bond D. a polymer Correct Answer: Option C – the double bond Explanation Vulcanizer is the removal of double bend in a chemical reaction. Options A,B,D can not be removed by...
by Sunday | Sep 16 | Chemistry JAMB
A. chlorine B. ozone C. carbon IV oxide D. hydrogen sulphur Correct Answer: Option B – ozone Explanation The ozone layer or ozone shield refers to a region of Earth’s stratosphere that absorbs most of the Sun’s ultraviolet (UV) radiation. It contains...
by Sunday | Sep 16 | Chemistry JAMB
A. Make it more malleable B. Remove the impurities unit C. Protect it against corrosion D. Render it passive Correct Answer: Option C – Protect it against corrosion Explanation Iron is galvanized with zinc covering to protect it against corrosion. Options A, B,...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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