by Sunday | Mar 16 | Chemistry WAEC
A. 2 – methyl butane B. 2,2 – dimethyl butane C. 2 – methyl pentane D. 2,2 – dimethyl pentane Correct Answer: Option D = 2,2 – dimethyl pentane Explanation – The longest chain has five carbon atoms i.e PENT – with two methyl...
by Sunday | Mar 16 | Chemistry WAEC
A. Al2Cl6 B. MgCl2 C. AgCl D. NaCl Correct Answer: Option A – Al2Cl6 Explanation Aluminum chloride (Al2Cl6) has coordinate dative bonding
by Sunday | Mar 16 | Chemistry WAEC
A. multiple proportions B. constant composition C. conservation of energy D. conservation of mass Correct Answer: Option D – conservation of mass Explanation The principles of stoichiometry are based upon the law of conservation of mass. Matter can neither be...
by Sunday | Mar 16 | Chemistry WAEC
[ C = 12.0, O = 16.0 ] A. 0.20 mol B. 0.25 mol C. 0.40 mol D. 0.50 mol Correct Answer: Option D – 0.50 mol Explanation 1 Mole of carbon(iv)oxide contains 32g of Oxygen : 0.5 Mole of carbon(iv)oxide contains 16g of...
by Sunday | Mar 16 | Chemistry WAEC
A. Saturated B. Unsaturated C. Concentrated D. Diluted Correct Answer: Option A – Saturated Explanation The term saturated solution is defined in chemistry as a solution in which no more solute can be dissolved in the...
by Sunday | Mar 16 | Chemistry WAEC
A. Bromine B. Ammonia C. Water D. Hydrogen Bromide Correct Answer: Option A – Bromine Explanation Br2 (Bromine) is nonpolar because, in this molecule, both bromine atoms have the same electronegativity due to which both atoms have equal charge distribution and...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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