by Sunday | Dec 9 | Chemistry WAEC
A. 66.0g B. 76.0g C. 80.0g D. 96.0g Correct Answer: Option D D. 96.0g Explanation This is same as asking for the molar mass of the compound = (2×14.0)+(8×1.0)+12.0+(16.0×3) = 28.0+8.0+12.0+48.0 =...
by Sunday | Dec 9 | Chemistry WAEC
A. boiling point B. melting point C. conductivity D. solubility Correct Answer: Option B B. melting point Explanation The purity of a solid can be determined by measuring the melting point. A pure solid will have a single, sharp melting...
by Sunday | Dec 9 | Chemistry WAEC
A. nitrogen is less dense than oxygen B. oxygen is more reactive than nitrogen C. of the difference in their boiling points D. they belong to the same period Correct Answer: Option C C. of the difference in their boiling points Explanation The various gases vaporize...
by Sunday | Dec 9 | Chemistry WAEC
A. Zn2+ B. Sc3+ C. Cu D. Mn Correct Answer: Option B B. Sc3+
by Sunday | Dec 9 | Chemistry WAEC
A. quantity of electrons in the valence shell B. filling the orbitals with lower energy first C. the filling of degenerated orbitals D. quantum numbers of electrons Correct Answer: Option D D. quantum numbers of electrons Explanation Pauli Exclusion Principle states...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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