Chemistry The depletion of Ozone layer is mainly due to Chlorofluorocarbons Volcanic eruptions Aviation fuels Radioactive rays Chlorofluorocarbons Volcanic eruptions Aviation fuels Radioactive rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Coal Natural Gas Petroleum Mica Coal Natural Gas Petroleum Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the purest form of carbon Diamond Iron Graphite Coal Diamond Iron Graphite Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry If water smells bad, then that odour can be removed by adding Bleach Deactivated nitrogen Activated carbon Alum Bleach Deactivated nitrogen Activated carbon Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s Wool is Zinc carbonate Zinc blende Zinc sulphate Zinc oxide Zinc carbonate Zinc blende Zinc sulphate Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Need less energy to move them Are lighter Experience collision less frequently Have negative charge Need less energy to move them Are lighter Experience collision less frequently Have negative charge ANSWER DOWNLOAD EXAMIANS APP
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