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Which of the following can be obtained by fractional distillation…

Posted by: QuizTablet 1202 views air, boiling, carbon, chloride, EVAPORATION, fractional-distillation, gas, heat, JAMB, liquid, mixture, mixtures, nitrogen, oil, oxygen, pressure, ratio, separation, sodium, sulphide, sulphur, tech, temperature, water
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Which of the following gases is the most dangerous pollutant?

Posted by: QuizTablet 1092 views air, blood, carbon, carbon monoxide, death, gas, generator, hydrogen, JAMB, matter, oxygen, pollutants, reactions, smell, sulphide, sulphur
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The Sulphide which is insoluble in dilute hydrochloric acid is…

Posted by: QuizTablet 968 views acid, chloride, copper, hydrogen, JAMB, sulphide
CHEMISTRY

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An element used in the production of matches is…

Posted by: QuizTablet 1749 views aluminum, color, copper, element, JAMB, matches, nitrogen, sulphide, sulphur
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Which of the following are mixtures?

Posted by: QuizTablet 1490 views atom, benzene, carbon, coal, compound, gas, JAMB, kerosene, mean, mixture, mixtures, petroleum, protein, rubber, sulphide, sulphur, water
CHEMISTRY

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The salt that reacts with dilute hydrochloric acid to…

Posted by: QuizTablet 1365 views acid, carbon, chloride, color, gas, HCL, hydrogen, JAMB, mean, Na2S, purple, smell, SO3, sodium, sulphide, sulphur
CHEMISTRY

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Hydrogen sulphide gas can act as…

Posted by: QuizTablet 1316 views bleaching, chromium, effect, gas, hydrogen, hydrogen-sulphide, JAMB, metals, oxides, oxidizing, power, precipitate, sulphide, sulphur, water
CHEMISTRY

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10.0dm³ of air containing H₂S as an impurity was passed through…

Posted by: QuizTablet 1996 views air, calculation, calculations-in-chemistry, gas, HNO₃, hydrogen, JAMB, mass, mean, percentage, precipitate, sulphide, volume
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Which of the following pollutants will…

Posted by: QuizTablet 594 views atmosphere, atom, carbon, carbon monoxide, chlorofluorocarbons, earth, hydrogen, JAMB, molecules, oxygen, ozone, pollutants, smell, sphere, sulphide, sulphur
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