Post Utme Chemistry Past Questions and Answers

Question 846:

A substance that is used as a ripening agent for fruits is ____________

A. Ethene
B. Propene
C. Methane
D. Butane

Question 847:

The shape of the hydrocarbon compound \(CH _{4}\) is ____________

A. Square plannar
B. Plannar
C. Linear
D. Tetrahedral

Question 848:

Sugar is separated from its impurities by ____________

A. Precipitation
B. Crystallization
C. Distillation
D. Evaporation

Question 849:

The component of an atom that contributes least to its mass is the ____________

A. Proton
B. Nucleus
C. Neutron
D. Electron

Question 850:

An element will readily form an electrovalent compound if its electron configuration is ____________

A. \(2,8,1\)
B. \(2,8,4\)
C. 2,8 ,8
D. \(2,8,5\)