by Sunday | Apr 16 | Chemistry NECO
A. are diatomic B. are good oxidizing agents C. are highly electronegative D. have high electron affinity E. have relatively low ionization potentials Correct Answer: Option E – have relatively low ionization...
by Sunday | Apr 16 | Chemistry NECO
A. Bitumen B. Coal C. Diesel D. Kerosene E. Petrol Correct Answer: Option B – Coal
by Sunday | Apr 16 | Chemistry NECO
A. Brownian B. Dalton C. Gay Lussac D. Graham E. Newton Correct Answer: Option A – Brownian
by Sunday | Apr 16 | Chemistry NECO
A. HOCH2 – CH2OH B. H2C –C =C– CH3 C. H3C – HC = CH2 D. H2C = CH2 E. H3C – C =CH Correct Answer: Option A – HOCH2 – CH2OH
by Sunday | Apr 16 | Chemistry NECO
A. CH B. CH3 C. CH4 D. C2H2 E. C2H6 Correct Answer: Option B – CH3 Explanation Relative No of Moles for Carbon = 79.2% ÷ 12 = 6.6 Relative No of Moles for Hydrogen = 20.8% ÷ 1 = 20.8 Ratio of Moles = Carbon 6.6 ÷ 6.6 = 1 Hydrogen = 20.8 ÷ 6.6 = 3...
by Sunday | Apr 16 | Chemistry NECO
A. CH4(g) + 2O2(g) → CO2(g) + 2H2O(g) B. CU(S) + HNO3(aq) → Cu(NO3)2(aq) + 4H2O(I) + NO(g) C. 2KCIO3(s) → 2KCI(s)+ 3O2(g) D. NaH(s) + H2O(1) → NaOH(aq) +H2(g) E. Na2SO4(aq) + BaCl2(aq) → BaSO4(s) + 2NaCl(aq) Correct Answer: Option B – CU(S) + HNO3(aq) →...
by Sunday | Apr 16 | Chemistry NECO
A. alkanal B. alkane C. alkanoate D. alkene E. alkyne Correct Answer: Option E – alkyne
by Sunday | Apr 16 | Chemistry NECO
A. dehydration B. esterification C. fermentation D. polymerization E. saponification Correct Answer: Option C = fermentation
by Sunday | Apr 16 | Chemistry NECO
A. ammonia B. carbon(IV)oxide C. hydrogen chloride D. sulphur (IV) oxide E. sulphur (VI) oxide Correct Answer: Option A – ammonia
by Sunday | Apr 15 | Study Tips
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Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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