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Neco Chemistry Past QuestionsQuestion 136:Which of the following is a solid at room temperature? A. Argon B. Bromine C. Chlorine D. Fluorine E. Iodine Question 137:The green house effect is a climatic condition associated with the presence of excess ____________ A. Carbon (II) oxide B. Carbon (IV) oxide C. Hydrogen sulphide D. Nitrogen (II) oxide E. Oxygen Question 138:The following are ores of metals EXCEPT A. Bauxite B. Dolomite C. Graphite D. Haematite E. Magnetite Question 139:Ptotal = P1 + P2 + P3 + ____________ Pn, is an expression of law A. Boyle’s B. Charles’ C. Dalton’s D. Graham’s E. Gay Lussac’s Question 140:All the following belong to the same family EXCEPT A. Glycerol B. Nylon C. Perspex polyethene D. Polyethene E. Polystyrene |
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