A. ethanol B. ethanoic acid C. methanol D. methanoic acid Correct Answer: Option B B. ethanoic acid
A. 1,1 - dibromoethane B. 1,2 - dibromoethene C. 1,1 - dibromoethene D. 1,2 - dibromoethane Correct Answer: Option D…
A. bauxite B. cryolite C. duralumin D. kaolin Correct Answer: Option A A. bauxite
A. ammoniacal silver trioxonitrate (V) solution B. Benedict solution C. bromine water D. Fehling's solution Correct Answer: Option A A.…
A. nylon B. perspex C. polyethene D. polychloroethene Correct Answer: Option A A. nylon Explanation Every option, except nylon (which…
A. Crystallization B. Chromatography C. Filtration D. Sublimation Correct Answer: Option B B. Chromatography
A. Alkane B. Alkanol C. Alkanal D. Alkyne Correct Answer: Option B B. Alkanol
Which of the following compounds determines the octane rating of petrol? A. 1,2,3 - trimethlpentane B. 2,3,5 - trimethyloctane C.…
A. electrons flow from the metal electrode, M(s) to hydrogen electrode, H2(g) B. electrons fow from hydrogen electrode, H2(g) to…
A. Copper B. Lead C. Magnesium D. Silver Correct Answer: Option C C. Magnesium