2018
An organic compound has the empirical formula \(CH_{2}\). If its molar mass is 42\(gmol^{-1}\), what is its molecular formula? (C = 12.0, H = 1.0)
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2018 WAEC SSCE Chemistry Past Questions
2018
In which of the following compounds does hydrogen form ionic compounds?
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2018
A reaction is endothermic if the
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2018
An acidic salt has
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2018
What is the solubility of a salt if 0.4g of it is obtained on evaporating 200\(cm^{3}\) of its saturated solution to dryness?
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2018
The process of extraction of iron from its ore is
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2018
Which of the following equations represents a redox reaction?
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2018
Which of the following organic compounds can undergo both addition and substitution reactions?
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2018
Which of the following raw materials is used in the plastic industry?
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