by Sunday | Dec 9 | Chemistry WAEC
A. production of ammonia B. manufacture of cement C. photosynthesis D. combustion Correct Answer: Option C C. photosynthesis Explanation Photosynthesis is the process of food-making in plants, it doesn’t have any by-products that pose a threat to the...
by Sunday | Dec 9 | Chemistry WAEC
A. water B. carbon(IV) oxide C. fire blanket D. sand Correct Answer: Option B B. carbon(IV) oxide Explanation In order to extinguish a petrol fire, you have to cut off the oxygen. This can be done by using carbon dioxide gas to dilute the oxygen available and stop the...
by Sunday | Dec 9 | Chemistry WAEC
A. Fe and C B. Fe and Ni C. Fe, C and Ni D. Fe, C and Al Correct Answer: Option C C. Fe, C and Ni Explanation Stainless steel comprises iron (Fe), chromium (Cr), manganese (Mn), silicon (Si), carbon (C) and, in many cases, significant amounts of nickel (Ni) and...
by Sunday | Dec 9 | Chemistry WAEC
A. 3s orbital B. 2px C. 2s orbital D. 1s orbital Correct Answer: Option A Explanation 12Mg=2,8,2 =1s²2s²2p63s²
by Sunday | Dec 9 | Chemistry WAEC
A. mechanism of electrolysis B. electrolytic reactions C. nature of the electrode D. type of electrolytic cell Correct Answer: Option C C. nature of the electrode Explanation The preferential discharge of ions is influenced by: – The position of the ions in the...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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