2011
On evaporation to dryness, 250 cm3 of saturated solution of salt X with relative molar mass 101 gave 50.5g of the. What is the soluility of the salt?
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2011 WAEC SSCE Chemistry Past Questions
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2011
Which of the following metallic oxides is amphoteric?
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2011
Which of the following separation techniques would show that black ink is a mixture of chemical compounds?
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2011
Which of the following compounds would react with ethanoic acid to give a sweet smelling liquid?
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2011
Which of the following compounds determines the octane rating of petrol?
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2011
Consider the following electrochemical cell notation: M(s) / M2+(aq)// H+(aq)/ H2(g). The value of the electrode potential is positive when
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2011
Which of the following metals could be used as sacrifical anode for preventing the corrosion of iron?
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2011
The following substances are ores of metals except
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2011
The reagent that can be used to distinguish ethene from ethyne is
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2011
The compound that makes palm wine taste sour after exposure to the air for few days is
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2011
When bromine is added to ethene at room temperature, the compound formed is
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2011
The following substances are examples of addition polymer except
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2011
Aluminium is extracted electrolysis from
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2011
Which of the following processes does not involve the use of limestone?
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2011
Rare gases are stable because they
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2011
In metallic soild, the forces of attraction is between the mobile valence electrons and the
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2011
Which of the following compounds determines the octane rating of petrol?
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2011
When element 20Y combines with element 8 Z
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