1987
Synthetic rubber is made by polymerization of?
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1987 JAMB UTME Chemistry Past Questions
1987
In which of the following are the aqueous solutions of each of the substances correctly arranged in order to decreasing acidity?
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1987
The solubility of Na3AsO4(H2O)12 is 38.9g per 100g H2O. What is the mass percentage of Na3AsO4 in the saturated solution? (As = 75, Na = 23, O = 16, H = 1)
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1987
Oil spillage in ponds and creeks can be cleaned up by?
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1987
Which of the following water samples will have the highest titre value when titrated for the Ca2+ ions using soap solution?
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1987
In the purification of town water supply, alum is used principally to?
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1987
An element Z, contained 90% of 168Z and 10% of Z1818 its relative atomic mass is?
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1987
An isotope has an atomic number of 17 and a mass number of 36. Which of the following gives the correct number of neutrons and protons in an atom of the isotope?
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1987
If d represents the density of a gas and K is a constant, the rate of gaseous diffusion r is related to d by the equation?
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1987
The atomic numbers of two elements X and Y are 12 and 19 respectively. The bond of these two elements is?
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1987
If 24.83 cm3 of 0.15 M NaOH is titrated to its end point with 39.45 cm3 of HCl, what is the molarity of the HCl?
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1987
Use the option above to answer this question. Which is the correct set of results for tests conducted respectively on fresh lime juice and ethanol.
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1987
Use the option above to answer this question. The structure of benzoic acid is
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1987
Temp (°C)253545Time (seconds)723618The times taken for iodine to be liberated in the reaction between sodium thiosulphate and hydrochloric acid at various temperature are as follows. These results suggest that
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