Which of these pairs are synthetic and natural macromolecules respectively?
A. Haemoglobin and nylon, creatine and polyethylene B. Nylon and polyethlene, creatine and Haemoglobin C. Nylon and creatine, polyethylene and haemoglobin D. Polyethylene and creatine, nylon and haemoglobin Correct Answer: Option C – Nylon and creatine,...
The reaction of an alkene with hydrogen in the presence of catalyst is?
A. a substitution reaction B. an oxidation reaction C. a nucleophilic reaction D. an addition reaction Correct Answer: Option D – an addition reaction
An example of element that can catenate is?
A. bromine B. nitrogen C. chlorine D. carbon Correct Answer: Option D – carbon
Ethanol can easily be produced by?
A. fermentation of starch B. distillation of starch solution C. catalytic oxidation of methane D. destructive distillation of wood Correct Answer: Option A – fermentation of starchProducts
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