IMSU Chemistry 2013/2014 Past Questions

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

The metal that is used as a catalyst in the hydrogenation of oils is

A.Ni
B.Pb
C.Cu
D.Pt

The most abundant rare gas in the atmosphere is

A.He
B.Ne
C.Ar
D.Xe

Ordinary table salt is sodium chloride. What is baking soda',

A.Potassium chloride
B.Potassium carbonate
C.Potassium hydroxide
D.Sodium bicarbonate

Ozone hole refers to

A.hole in the ozone
B.decrease in ozone layer in troposphere
C.decrease in thickness of ozone layer in stratosphere
D.increase in the thickness of ozone layer in troposphere

The mass of P₄O₁₀ that will be obtained from the reaction of 1.33 gram of P₄ and 5.07 of oxygen is

A.2.05 gram
B.3.05 gram
C.4.05 gram
D.5.05gram