by Sunday | Mar 16 | Chemistry WAEC
[ H = 1.0, C = 12.0, O = 16.0 ] A. Ethene and Ethyne B. Ethane and Ethene C. Carbon (ii) Oxide and Ethene D. Carbon (iv) Oxide and Ethyne Correct Answer: Option C – Carbon (ii) Oxide and Ethene Explanation Ethene = 28 Ethyne = 26 Carbon(ii)Oxide = 28...
by Sunday | Mar 16 | Chemistry WAEC
Mg(s) + 2 HCl(aq) –> MgCl 2(aq) + H 2(g) [ H = 1.0, Mg = 24.0] A. 0.54g B. 0.70g C. 1.08g D. 1.40g Correct Answer: Option A – 0.54g Explanation 24g of Mg will liberate 2g of H : 6.5g of Mg will liberate Xg of H = ( 6.5 X 2 ) / 24 = 0.5416g of Hygrogen (...
by Sunday | Mar 16 | Chemistry WAEC
A. Hydration B. Hydrolysis C. Reduction D. Oxidation Correct Answer: Option D – Oxidation Explanation The bleaching action of chlorine is due to its ability to react with water to form oxochlorate(i)acid
by Sunday | Mar 16 | Chemistry WAEC
A. Calcium B. Chlorine C. Flourine D. Magnesium Correct Answer: Option D – Magnesium
by Sunday | Mar 16 | Chemistry WAEC
A. Iron B. Silver C. Calcium D. Potassium Correct Answer: Option C – Calcium Explanation Calcium reacts very slowly with cold water
by Sunday | Mar 16 | Chemistry WAEC
A. Covalent compound B. A Dative compound C. An Electrovalent compound D. A Non-metal Correct Answer: Option C – An Electrovalent compound Explanation Ionic Compounds / Electrovalent compounds Have A High Melting Point and High Boiling Point....
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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