Post Utme Chemistry Past Questions and Answers

Question 876:

The gas that is not associated with global warming is ____________

A. \(CO _{2}\)
B. \(H _{2}\)
C. \(CH _{4}\)
D. \(SO\)

Question 877:

In which order are the following salts sensitive to light ____________

A. \(AgBr > AgCl > AgI
B. \(AgCl > Agl > AgBr
C. \(Agl > AgCl > AgBr\)
D. \(AgCl > AgBr > Agl
E. \(AgBr > Ag \mid> AgCl\)

Question 878:

A phenomenon where an element exists in different forms in the same physical state known as ____________

A. Isomerism
B. Amorphism
C. Isotopy
D. Allotropy
E. Enantiomerism

Question 879:

When sucrose is warned with Fehling solution ____________

A. A silver mirror is produced
B. The turns milky
C. A brick-red precipitate is formed
D. There is no precipitate
E. A blue black coloration

Question 880:

Which of the following gases will have the highest rate of diffusion under the same conditions
\((H=1, C=12, O=\) 16, \(S=32, Cl =35.5\) )

A. \(O _{2}\)
B. \(C _{2}\)
C. \(HC 1\)
D. \(H _{2} S\)
E. \(CO _{2}\)