Post Utme Chemistry Past Questions and Answers

Question 471:

CH3CO₂H + CH₂CH₂OH->.? The functional group under and in the equation is a/an ____________ group

A. Alkanol
B. Carbonyl
C. Keto
D. Carboxylic acid

Question 472:

The gas equation P₁₁/₁2V/₂ is made up of Charles' Law and ____________ law

A. Le Chateliers'
B. Gay-Lussac's
C. Boyle's
D. Newton's

Question 473:

The acid in butter is called ____________ acid

A. Butanonoic
B. Butyric
C. Benzoic
D. Butandioic

Question 474:

The oxidation state of calcium is CaCl₂ is ____________

A. +1
B. +2
C. +3
D. +4

Question 475:

The mass number of an atom of an element is the sum of its ____________

A. Electrons, neutrons and protons
B. Electrons and protons
C. Protons and neutrons
D. Valence electrons