by Sunday | Oct 14 | Chemistry JAMB
A. dissolution → dryness → filtration → evaporation B. filtration → sublimation → evaporation → dryness C. sublimation → dissolution → filtration → evaporation D. dissolution → filtration → sublimation → evaporation Correct Answer: Option C – sublimation →...
by Sunday | Oct 14 | Chemistry JAMB
A. an increase in the tendency to lose an electron B. an increase in chemical reactivity C. a decrease in electropositivity D. a decrease in covalency in bond formation Correct Answer: Option B – an increase in chemical...
by Sunday | Oct 14 | Chemistry JAMB
A. calcium B. chlorine C. oxygen D. nitrogen Correct Answer: Option D – nitrogen
by Sunday | Oct 14 | Chemistry JAMB
A. 62.5 g B. 40.0 g C. 6.3 g D. 2.5 g Correct Answer: Option A – 62.5 g Explanation 0.4 → 25 1 mole → ? = 1/0.4 X 25/1 = 250/1 = 62.5 g
by Sunday | Oct 14 | Chemistry JAMB
A. nearly equal masses with a release of energy and radiation B. equal masses with a release of energy C. equal masses with a release of energy and radiation D. unequal masses without any release of energy Correct Answer: Option A – nearly equal masses with a...
by Sunday | Oct 14 | Chemistry JAMB
A. 50.0 dm³ B. 84.0 dm³ C. 28.0 dm³ D. 56.0 dm³ Correct Answer: Option D – 56.0 dm³ Explanation 1 mole of gas at s.t.p = 22.4 2.5 moles → 2.5 X 22.4 = 56.00 dm³
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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