Post Utme Chemistry Past Questions and Answers

Question 396:

The position of equilibrium in a reversible reaction is affected by ____________

A. Particle size of the reactants
B. Change in concentration of the reactants
C. Change in size of the reaction vessel
D. Vigorous stirring of the reaction mixture

Question 397:

Ethene undergoes mainly additianal reactions because it is ____________

A. A gas.
B. A hydrocarbon
C. Unsaturated
D. Easily polymerized

Question 398:

The reaction between alkanoic acids and alkanols in the presence of a mineral acid is known as ____________

A. Specification
B. Hydrolysis
C. Polymerization
D. Esterification

Question 399:

Which of the following is used widely in the manufacture of flavours and perfumes?

A. Alkanoates
B. Alkanines
C. Alkanes reaction
D. Complexsugars

Question 400:

When chlorine is added to slaked lime, the product obtained is ____________

A. Bleaching powde
B. Chlorinatedwate
C. Hydrochloricacid
D. Oxochlorate (I) acid