2008
Which of the following compounds is unsaturated?
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2008 NECO SSCE Chemistry Past Questions
2008
A chemical system is at equilibrium when
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2008
When sodium hydroxide solution is added to a solution of zinc salt, the white precipitate formed re-dissolve in excess sodium hydroxide because
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2008
The gas in air used by plants for photosynthesis is
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2008
Which of these arrangement of elements is in order of increasing ionization energy?
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2008
The following acids are monobasic EXCEPT
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2008
Which of these is NOT a physical property f water?
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2008
The following gases are diatomic EXCEPT
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2008
If two elements X and Z with electronic configurations 2,8.3 and2,8,6 respectively combine, the compound formed will have the formula
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2008
The reaction of hydrochloric acid and calcium trioxocarbonate (IV) produces
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2008
Brownian motion explains
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2008
A substance is said to be hygroscopic when it
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2008
The electrode potential in volts of 2H+(aq) / H2(q) system is
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2008
Chromatography is used to separate components of mixtures which differ in their rates of
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2008
During the electrolysis of sodium Chloride solution, hydrogen is discharged at the carbon cathode because
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2008
In which of the following equations can Le-chartelier’s principle be applied?
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2008
In which of these groups will all the substances be insoluble in water?
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2008
What is the maximum number of electrons that an f-orbital can accommodate?
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