by Sunday | Apr 18 | Chemistry NECO
A. H2(g)+S(g) → H2(g) B. 2H2S(g) + O2 (g) → 2H2O(l) + 2SO2(g) C. N2(g) +3H2(g) → NH3(g) D. NaOH(aq) +CO2(g) → Na2CO3(aq) + H2O(l) E. S(s) + O2(g) → SO2(g) Correct Answer: Option C – NaOH(aq) +CO2(g) → Na2CO3(aq) +...
by Sunday | Apr 18 | Chemistry NECO
A. Na2CO3, KNO3, (NH4)2CO3 B. NaHCO3, PbSO4, CaSO4 C. K2CO3, CaSO4, AgNO3 D. PbCl2, NaCl, ZnCl2 E. ZnCO3, BaSO4, AgCl Correct Answer: Option E – ZnCO3, BaSO4, AgCl
by Sunday | Apr 18 | Chemistry NECO
A. 2 B. 6 C. 7 D. 10 E. 14 Correct Answer: Option E = 14
by Sunday | Apr 18 | Chemistry NECO
A. activation energy B. enthalpy C. entropy D. equilibrium E. free energy. Correct Answer: Option C – entropy
by Sunday | Apr 18 | Chemistry NECO
A. absorbs atmospheric moisture and then goes into solution B. absorbs atmospheric moisture but does not go into solution C. changes colour D. is not affected by atmospheric moisture E. losses its water of crystallization Correct Answer: Option B – absorbs...
by Sunday | Apr 18 | Chemistry NECO
A. -2.87 B. -2.71 C. 0.8 D. 1.68 E. 0 Correct Answer: Option E = 0
by Sunday | Apr 18 | Chemistry NECO
A. diffusion B. migration C. reaction D. sedimentation E. sublimation. Correct Answer: Option B – migration
by Sunday | Apr 18 | Chemistry NECO
A. hydrogen ions are in greater concentration than sodium ions. B. hydrogen is higher than sodium in the electrochemical series. C. hydrogen is lower than sodium in the electrochemical series. D. of the nature of the electrodes. E. the concentration of sodium ions is...
by Sunday | Apr 18 | Chemistry NECO
A. Can be used to dissolve organic substances B. Has a boiling point of 100°C C. Has a density of 19cm3 at 40°C D. Has a freezing point of 0°C E. is neutral to litmus Correct Answer: Option A – Can be used to dissolve organic...
by Sunday | Apr 18 | Chemistry NECO
A. Fluorine B. Helium C. Hydrogen D. Nitrogen E. Oxygen Correct Answer: Option B – Helium
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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