by Sunday | Mar 17 | Chemistry WAEC
A. Pipette B. Burette C. Desiccator D. conical flask Correct Answer: Option C – Desiccator Explanation – The most common apparatus used in volumetric determinations are the pipette,buret, measuring cylinder, volumetric and conical (titration)...
by Sunday | Mar 17 | Chemistry WAEC
A. T is constant, P varies directly with V B. P is constant, V varies inversely with T C. V is constant, P varies directly with T D. T is constant, V varies inversely with P Correct Answer: Option D – T is constant, V varies inversely with P Explanation...
by Sunday | Mar 17 | Chemistry WAEC
A. CaOCl2 B. H2SO4 C. AgNO3 D. CaO Correct Answer: Option B – H2SO4 Explanation – heavy chemicals are produced and handled in large lots and are often in a crude state. – Some examples of bulk chemicals are ammonia, sulfuric acid, and sodium...
by Sunday | Mar 17 | Chemistry WAEC
A. C6H14 B. C5H12 C. C4H10 D. (CH3)3 Correct Answer: Option D = (CH3)3 Explanation – The boiling points of alkanes increase with increasing number of carbons. This is because the intermolecular attractive forces, although individually weak, become cumulatively...
by Sunday | Mar 17 | Chemistry WAEC
A. treatment of sewage B. treatment of water C. purification of chemicals D. purification of metals Correct Answer: Option A – treatment of sewage Explanation There are several wastewater treatment methods based on biotechnology that are used worldwide. It...
by Sunday | Mar 17 | Chemistry WAEC
A. atmospheric pressure B. vapor pressure C. total pressure D. partial pressure Correct Answer: Option D – partial pressure Explanation The pressure exerted by an individual gas in a mixture is known as its partial...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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