Chemistry The depletion in Ozone layer is caused by ________ . Chlorofluorocarbons Carbon dioxide Methane Nitrous oxide Chlorofluorocarbons Carbon dioxide Methane Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Zinc and carbon Iron and cadmium Nickel and cadmium Lead peroxide and lead Zinc and carbon Iron and cadmium Nickel and cadmium Lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas is : Carbonyl chloride Chloroprene Nitrous oxide Bleaching powder Carbonyl chloride Chloroprene Nitrous oxide Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural dye ? Alizarin Aniline blue Crystal violet Phenolphthalein Alizarin Aniline blue Crystal violet Phenolphthalein ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the manufacture of vanaspati from vegetable oil is hydrogen oxygen carbon dioxide nitrogen hydrogen oxygen carbon dioxide nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Magnesium Silicon Iron Oxygen Magnesium Silicon Iron Oxygen ANSWER DOWNLOAD EXAMIANS APP
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