Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Ozone Nitrogen Carbon dioxide Methane Ozone Nitrogen Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Eutrophication in lakes Depletion of fossil fuel reserves Industrial smog formation Lowering of pH of soil Eutrophication in lakes Depletion of fossil fuel reserves Industrial smog formation Lowering of pH of soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Chromium Nickel Lead Zinc Chromium Nickel Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is an alloy of which of the following metals ? Silver Tin Aluminium Iron Silver Tin Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium oxide and argon Mercury oxide and neon Mercury vapour and argon Sodium vapour and neon Sodium oxide and argon Mercury oxide and neon Mercury vapour and argon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a covalent compound ? Magnesium fluoride Calcium chloride Sodium chloride Carbon tetrachloride Magnesium fluoride Calcium chloride Sodium chloride Carbon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
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