The term that is not associated with petroleum industry is ?
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An example of an amphoteric oxide is
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The IUPAC nomenclature of the complex K\(_4\)Fe(CN)\(_6\) is
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Hydrochloric acid is regarded as a strong acid because it
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When a specie undergoes oxidation, its
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An example of a substance that does not change directly from solid to gas when heated is
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\(^{14}_7\)N + X → \(^{14}_6\)C + \(^1_1\)P
In the reaction above, X is
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The substance that reacts with sodium to form alkali and changes white anhydrous copper(II) tetraoxosulphate (VI) to blue is
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A major effect of oil pollution in coastal water is
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The combustion of candle under limited supply of air forms
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In the treatment of water for municipal supply, chlorine is used to
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The scientist that performed the experiment on discharged tubes that led to the discovery of the cathode rays as a sub-atomic particle is
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Determine the empirical formula of an oxide of sulphur containing 60% of oxygen
[S = 32, O = 16 ]
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Fog is a colloid in which
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The volume in cm\(^3\) of a 0.12 moldm\(^{-3}\) HCl required to completely neutralize a 20cm\(^3\) of 0.20 moldm\(^{-3}\) of NaOH is
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Which of the following is an air pollutant?
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Calculate the mass of Magnesium that will be liberated from its salt by the same quantity of electricity that liberated 16.0 g of Silver.
[Mg = 24.0, Ag = 108 ]
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\(^{238}_{92}\)U + \(^1_0\)n → \(^{239}_{92}\)U
The process above produces
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The shape of the molecule of Carbon(IV) oxide is
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The salt formed when strong acid reacts with strong base is