by Sunday | Apr 18 | Chemistry NECO
A. calcium chloride, carbon (IV) oxide and water B. calcium chloride, and trioxocarbonate (IV) acid C. calcium hydroxide, carbon (IV) oxide and chlorine gas D. calcium hydroxide, carbon (IV) oxide and water E. calcium metal and water. Correct Answer: Option A –...
by Sunday | Apr 18 | Chemistry NECO
A. Boyle’s law B. Collision theory C. Laws of chemical combination D. Molecular motion in liquids and gases E. Vibrational motion in liquids. Correct Answer: Option D – Molecular motion in liquids and gases
by Sunday | Apr 18 | Chemistry NECO
A. δG is positive B. δG is zero C. δS is negative D. δS is positive E. δS is zero. Correct Answer: Option B = δG is zero
by Sunday | Apr 18 | Chemistry NECO
A. sodium hydroxide is a strong alkali B. sodium is more reactive than zinc C. zinc is more reactive than sodium D. zinc hydroxide is amphoteric E. zinc hydroxide is unstable Correct Answer: Option D – zinc hydroxide is...
by Sunday | Apr 18 | Chemistry NECO
A. Boron, Carbon, Flourine, Nitrogen B. Boron, Carbon, Nitrogen, Flourine C. Carbon, Boron, Nitrogen, Flourine D. Flourine, Nitrogen, Carbon, Boron E. Nitrogen, Flourine, Carbon, Boron Correct Answer: Option B – Boron, Carbon, Nitrogen,...
by Sunday | Apr 18 | Chemistry NECO
A. ZS3 B. ZSO3 C. ZSO4 D. ZO3 E. Z3Cl2 Correct Answer: Option D – ZO3
by Sunday | Apr 18 | Chemistry NECO
A. aluminium B. calcium C. Iron D. sodium E. magnesium Correct Answer: Option A – aluminium
by Sunday | Apr 18 | Chemistry NECO
A. combining volumes B. conservation of mass C. definite proportion D. multiple proportions E. reciprocal proportion. Correct Answer: Option B – conservation of mass
by Sunday | Apr 18 | Chemistry NECO
A. [H+] B. –log [H] C. –log [H+] D. log [H] E. log [H+] Correct Answer: Option C = –log [H+]
by Sunday | Apr 17 | Chemistry NECO
A. chlorine B. hydrogen C. nitrogen D. sulphur E. water vapour. Correct Answer: Option B – hydrogen
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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