2004
Which of the following statements is true of an endothermic reaction? I. Heat is absorbed from the surrounding II. The heat content of the products is more than that of the reactants III. The enthalpy change is positiv…
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2004 WAEC SSCE Chemistry Past Questions
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2004
The condensation of several amino acid molecules gives
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2004
When ammonium trioxocarbonate (IV) solution is added to separate solutions of calcium, zinc and sodium salt precipitate could be formed in the case of
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2004
Consider the cell represented below: Zn/Zn2+(aq) // Cu2+(aq) / Cu(s). Which of the following statements is correct about the cell
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2004
Which of the following is required in an experiment to determine the enthalpy of solution of anhydrous CuSO? l. Mass of the anhydrous CuSO 4 II. Volume of water in which the CuSO4 is dissolved lll. lnitial temperature of…
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2004
What is the product Cx Hy in the following equation? C10H12 → C8H18 + CxHy
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2004
WHICH OF THE FOLLOWING PETROLEUM FRACTIONS YIELDS VASELINE AND PARAFFIN WAX ON REDISTILLATION?
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2004
Which of the following reactions will be affected by change in pressure at equilibrium?
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2004
The key factor to be considered in siting a chemical industry is
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2004
Which of the following measures is not suitable for controlling water pollution?
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2004
The process of seeding during the extraction of aluminium involves the addition of pure AI(OH)3 crystals in order to
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2004
Which of the following pollutants is biodegradable?
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