by Sunday | Sep 15 | Chemistry JAMB
A. +7 B. +3 C. +5 D. +6 Correct Answer: Option C = +5 Explanation If the rules are followed, it is non-negotiable that +5 is the suitable answer to the question.
by Sunday | Sep 15 | Chemistry JAMB
A. 400k B. 480k C. 550k D. 600k Correct Answer: Option D – 600k Explanation At constant pressure connotes Charle’s law V1T1 = V2T2 2dm³/300k = 2 x (2dm³/T2) T2= 600k
by Sunday | Sep 15 | Chemistry JAMB
A. Low melting point B. Weak electropositive character C. High boiling point D. White lustrous appearance Correct Answer: Option A – Low melting point Explanation Tin has a melting point of 232° which enables it to be unaffected by air at ordinary temperature...
by Sunday | Sep 15 | Chemistry JAMB
A. 54.0g B. 27.0g C. 13.5g D. 108.0g Correct Answer: Option A – 54.0g Explanation Recall that mass deposited = MmIt/96500n Mm =108, t = 4830s I = 10A, n = 1 m = 108 × 10 × (4830/96500) × 1 m =...
by Sunday | Sep 15 | Chemistry JAMB
A. trigonal planar B. octahedral C. square planar D. tetrahedral Correct Answer: Option A – trigonal planar Explanation The ammonia molecule has a trigonal pyramidal shape with the three hydrogen atoms and an unshared pair of electrons attached to the nitrogen...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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