UNICAL Chemistry 2018/2019 Past Questions

Practice each question, then open it to see the full details.

The process by which complete organic molecules is broken down to simpler forms to release energy stored in them is known as

A.anabolism
B.commensalism
C.photosynthesis
D.catabolism
E.symbiosis

The number of moles present in 1kg of solvent is called its

A.molality
B.molarity
C.normality
D.formality
E.none of the above

The most electronegative element in the following is

A.Bromine
B.Oxygen
C.Sodium
D.Fluorine
E.Potassium

Which of the following chemicals is most commonly used as a bleaching agent?

A.sodium hypochlorite
B.alcohol
C.chloroform
D.benzene
E.potassium hydroxide

The process of converting start to ethanol is known as

A.distillation
B.cracking
C.fermentation
D.oxidation
E.hydrolysis

What is the percentage of sulpur in sulphur(iv) oxide (mass of S = 32, O = 16)

A.66%
B.50%
C.25%
D.40%
E.none of the above