by Sunday | Oct 15 | Chemistry JAMB
A. 2.0 cm³ B. 5.0 cm³ C. 6.8 cm³ D. 8.3 cm³ Correct Answer: Option A – 2.0 cm³ Explanation 2NaOH + H2SO4 → Na2SO4 + 2H2O CaVa/CbVb = ratio of acid/ratio of base (0.5 * Va)/(0.1 * 20) = 1/2 ∴ Va =...
by Sunday | Oct 15 | Chemistry JAMB
A. NaHS B. NaHSO4 C. NaHCO3 D. Na2CO3 Correct Answer: Option D – Na2CO3
by Sunday | Oct 15 | Chemistry JAMB
A. solution B. suspension C. precipitate D. colloid Correct Answer: Option C – precipitate
by Sunday | Oct 15 | Chemistry JAMB
A. 0.13 B. 0.25 C. 1.25 D. 2.00 Correct Answer: Option C – 1.25 Explanation Relative molecular mass of CuSO4 = 64 + 32 + 16 X 4 = 160 The number of moles of CUSO4 = reacting mass/molecular mass = 20/180 = 0.125 100g of water dissolved 0.125m of CuSO4 100g of...
by Sunday | Oct 15 | Chemistry JAMB
A. asbestos dust B. sawdust C. nitrogen (II) oxide D. carbon (II) oxide Correct Answer: Option A – asbestos dust EXPLANATION: The correct answer is A.A carcinogen is any substance, radionuclide, or radiation that is an agent directly involved in causing cancer....
by Sunday | Oct 15 | Chemistry JAMB
A. acidity B. alkalinity C. chloride content D. nitrate content Correct Answer: Option D – nitrate content
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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