by Sunday | Sep 14 | Chemistry JAMB
A. Na2SO4 B. Na2SO3 C. Na2S D. Na2CO3 Correct Answer: Option B = Na2SO3
by Sunday | Sep 14 | Chemistry JAMB
(I). 3CuO(s) + 2NH3(g) —–> 3Cu(s) + 3H2O(l) + N2(g) (II). 2NH3(g) + 3Cl2(g) —–> 6HCl(g) + N2(g) (III). 4NH3(g) + 3O2(g) —–> 6H2O(l) + N2(g) A. basic properties of ammonia B. acidic properties of ammonia C. reducing...
by Sunday | Sep 14 | Chemistry JAMB
A. 5cm³ B. 10cm³ C. 20cm³ D. 50cm³ Correct Answer: Option D – 50cm³ Explanation 2NaOH + H2SO4↔Na2SO4 + 2H2O V x 0.5M = 2(10 x 1.25) 0.5V = 2 x 12.5 0.5V = 25 V = 250.5 = 50cm² Correct computation as it follows the equation...
by Sunday | Sep 14 | Chemistry JAMB
A. lubricating oil B. coal C. bitumen D. diesel oil Correct Answer: Option B – coal Explanation When we burn coal on a fire, the bonds break apart and the energy is released in the form of heat. Coal contains about half as much energy per kilogram as cleaner...
by Sunday | Sep 14 | Chemistry JAMB
A. heating may not be required before the reaction takes place B. the reaction is controllable even at a high temperature C. the reaction produces large quantity of oxygen D. the reaction takes place more rapidly at a lower temperature Correct Answer: Option D –...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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