by Sunday | Sep 16 | Chemistry JAMB
PCL5(g) ↔ PCL3(g) + Cl2(g) A. Decelerate the reaction B. Increase yield of PCl3 C. Increase the yield of PCl5 D. Accurate the reaction Correct Answer: Option B – Increase yield of PCl3 Explanation If we decrease the pressure in the reaction, there will be...
by Sunday | Sep 16 | Chemistry JAMB
A. decrease B. increase C. remain constant D. be zero Correct Answer: Option D – be zero
by Sunday | Sep 16 | Chemistry JAMB
A. oxygen is consumed B. heat is supplied C. the reversible process occurs D. a new substance is formed Correct Answer: Option D – a new substance is formed Explanation In chemical change, a new substance is formed while in physical change no new substance is...
by Sunday | Sep 16 | Chemistry JAMB
A. calcium tetraoxosulphate (IV) B. calcium hydrogentrionocarbonate (IV) C. calcium hydroxide D. calcium trioxocarbonate (IV) Correct Answer: Option D – calcium trioxocarbonate (IV) Explanation Calcium hydrogen carbonate, often present in temporary hard water,...
by Sunday | Sep 16 | Chemistry JAMB
A. oxide of lead B. particulate matter C. oxides of sulphur D. gaseous hydrocarbon Correct Answer: Option C – oxides of sulphur Explanation Oxide of sulphur is formed as a result of acid rain. Options A,B, D are not formed as a result of the pressure of...
by Sunday | Sep 16 | Chemistry JAMB
A. soluble B. biodegradable C. cheaper D. foamy Correct Answer: Option B – biodegradable Explanation Biodegradable because the straight hydrocarbons are natural and slightly soluble in water. Options A, C, D do not have strength hydrocarbon chains and they could...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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