2009
In the electrolysis of dilute tetraoxosulphate (VI) acid using platinum electrodes, the products obtained at the anode are cathode respectively are
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2009 NECO SSCE Chemistry Past Questions
2009
A neon atom is chemically nonreactive because
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2009
\(^{235}_{92}U + ^1_0n → ^{145}_{56}Ba + ^{88}_{36}Kr + 3^1_0n + Energy\)The equation above represent a/an
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2009
How many zones are present in a luminous Bunsen burner flame?
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2009
When air is passed through alkaline pyrogallol and then lime water, the gases left are
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2009
A salt which loses its mass when exposed to air is
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2009
Atomic size decreases
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2009
Sulphur has an oxidation number of +4 in
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2009
The Ideal Gas Law is expressed mathematically as
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2009
Two elements X and Y with electronic configurations 2,8,2 and 2,8,7 respectively, are likely to combine by _________bonding
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2009
The furring of kettles and boilers are caused by
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2009
Which of the following metals is NOT extracted by electrolysis?
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2009
Which of the following is a solid at room temperature?
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2009
The relationship between equilibrium constant and free energy change is represented as
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2009
Non-polar molecules are held together by
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2009
Which of the following gases is absorbed from the air dun photosynthesis?
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2009
How many atoms of chlorine are required to saturate the double bonds of a compound containing a triene?
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2009
All the following belong to the same family EXCEPT
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2009
Ptotal = P1 + P2 + P3 +…………. Pn, is an expression of law
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2009
The following are ores of metals EXCEPT
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