Sodium chloride may be obtained from brine by
Sodium chloride may be obtained from brine by A. titration B. decantation C. distillation D. evaporation E. sublimation…
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The alkaline hydrolysis of fats and oils produces soap and
The alkaline hydrolysis of fats and oils produces soap and A. propane 1, 1, 3 – triol B.…
The gas responsible for most of the fatal explosions in coal mines is
The gas responsible for most of the fatal explosions in coal mines is A. butane B. ethene C.…
The reaction between ethanoic acid and sodium hydroxide is an example of
The reaction between ethanoic acid and sodium hydroxide is an example of A. esterification B. neutralization C. hydroxylation…
The bond which joins two ethanoic acid molecules in the liquid state is
The bond which joins two ethanoic acid molecules in the liquid state is A. a covalent bond B.…
Which of the following is NOT involved in the extraction of metals from their ores?
Which of the following is NOT involved in the extraction of metals from their ores? A. reduction with…
Mortar is NOT used for under-water construction because
Mortar is NOT used for under-water construction because A. it hardens by lose of water B. its hardening…
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Vulcanization of rubber is a process by which A. isoprene units are joined to produce rubber B. rubber…
When excess chlorine is mixed with ethene at room temperature, the product is
When excess chlorine is mixed with ethene at room temperature, the product is A. 1,2 – dichloroethane B.…
The scale of a chemical balance is made of iron plate and coated with copper…
The scale of a chemical balance is made of iron plate and coated with copper electrolytically because A.…