Chemistry The most abundant rare gas in the atmosphere is Xe Ne He Ar Xe Ne He Ar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Coal Petroleum Natural Gas Mica Coal Petroleum Natural Gas Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Nitrous oxide Chlorofluorocarbons Methane Carbon dioxide Nitrous oxide Chlorofluorocarbons Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Burning garbage Steam engine Coal fire Burning coal Burning garbage Steam engine Coal fire Burning coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest commercial form of iron ? Stainless steel Wrought iron Steel Pig iron Stainless steel Wrought iron Steel Pig iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is an alloy of Carbon and iron Chromium and carbon Chromium, carbon and iron Chromium and iron Carbon and iron Chromium and carbon Chromium, carbon and iron Chromium and iron ANSWER DOWNLOAD EXAMIANS APP
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