UNICAL Chemistry 2013/2014 Past Questions

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

Compounds that have the same moleculer formula but different structures are said to be

A.allotropic
B.isotopic
C.polymeric
D.isomeric

Which of the following statements is not correct?

A.carbon exhibits allotropy
B.sulphur exhibits allotropy
C.chlorine exhibits allotropy
D.hydrogen is a gas

300cm³ of gas has a pressure of 400mmHg. If the pressure is reduced to 150mmHg. Find its volume

A.700cm³
B.800cm³
C.350cm³
D.112.5cm³

The ideal gas equation can be written as

A.^V₁/_T₁ = ^V₂/_T₂
B.P₁V₁ = P₂V₂
C.V₂ = ^P₁V₁T₁/_P₂T₂
D.P₁V₁T₂ = P₂V₂T₁

Ethyne, Ethene, cyclohexane and propene can be classified as

A.alkenes
B.aromatic compounds
C.saturated compounds
D.multiple bond hydrocarbons

If the pH of a compound is 3.2, that compound is ____________

A.amphoteric
B.a salt
C.an acid
D.a base

Which is the most ionic in the group below

A.Cl₂
B.NaCl
C. AlCl₃
D.CaCl₂

Hydrogenation of palm oil results in a solid compound called

A.candle
B.solid palm oil
C.palm oil
D.ester

An amphoteric compound _________________

A.reacts with alcohols
B.reacts both as an acid and as a base
C.it is solid at room temperature
D.has a pH of 7

In structural isomerism, same atoms are linked to _________________

A.carbon atoms
B.similar atoms
C.different neighbouring atoms
D.different functional groups