by Sunday | Sep 17 | Chemistry JAMB
A. purify the gas B. dry the gas C. liquefy the gas D. remove odour Correct Answer: Option B = dry the gas
by Sunday | Sep 17 | Chemistry JAMB
A. 2-bromo-3-chlorobutanol B. 3-bromo-2-chlorobutanol C. 3-chloro-2-bromobutanol D. 2-chloro-3-bromobutanol Correct Answer: Option D – 2-chloro-3-bromobutanol
by Sunday | Sep 17 | Chemistry JAMB
A. diesel oil B. gasoline C. kerosene D. lubricating oil Correct Answer: Option A – diesel oil
by Sunday | Sep 17 | Chemistry JAMB
A. refining B. cracking C. reforming D. blending Correct Answer: Option C – reforming
by Sunday | Sep 17 | Chemistry JAMB
A. lightness B. low density C. high density D. high compressibility Correct Answer: Option D = high compressibility Explanation EPS is known as one of the world’s most effective and lightweight insulation and packaging materials. It has low thermal conductivity and is...
by Sunday | Sep 17 | Chemistry JAMB
A. C2H6 B. C3H8 C. C3H4 D. C6H6 Correct Answer: Option D = C6H6 Explanation molecular mass = 2 x vapour density = 2 x 39 = 79 ∴ CnHn = 78 12n + 1n = 78 13n = 78 n = 78/13 = 6 ∴ CnHn =...