Question 1
Maximum number of electron is found in one of these ........
Objective
UNIPORT Chemistry 2010/2011 Model 1 Past Questions
Practice each question, then open it to see the full details.
Question 2
The shape of the s-orbital is
Objective
Question 3
A carcinogenic substance is
Objective
Question 4
In the electrolysis of brine, the anode is
Objective
Question 5
Which of the following hydrogen halides has the highest entropy value?
Objective
Question 6
The allotrope of carbon used in the decolourization of fibre is
Objective
Question 7
Sulphur(IV)oxide bleaches by
Objective
Question 8
Aluminium hydroxide is used in the dying industry as a
Objective
Question 9
an isomer of C5H12 is
Objective
Question 10
Vulcanization involves the removal of
Objective
Question 11
Phenolphthalein in acidic solution is
Objective
Question 12
When iron is exposed to moisture and it rusts, the value of ΔG for the reaction is
Objective
Question 13
A substance that is used as a ripening agent for fruits is
Objective
Question 14
The shape of the hydrocarbon compound CH4 is
Objective
Question 15
Sugar is separated from its impurities by
Objective
Question 16
The component of an atom that contributes least to the mass is the
Objective
Question 17
An element will readily form an electrovalent compound if its electron configuration is
Objective
Question 18
The most suitable metal that can be used as a lightening conductor is
Objective
Question 19
The most abundant element on the earth's crust is
Objective
Question 20
Metalloid are also referred to as
Objective
Question 21
The ores that can be concentrated by flotation are
Objective