Chemistry The most important ore of lead is Galena Siderite Pyrolusite Magnetite Galena Siderite Pyrolusite Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? Chlorofluorocarbons N2O CO2 CH4 Chlorofluorocarbons N2O CO2 CH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HNO3 HCl HF H2SO4 HNO3 HCl HF H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Chlorofluorocarbons Aviation fuels Volcanic eruptions Radioactive rays Chlorofluorocarbons Aviation fuels Volcanic eruptions Radioactive rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Oxides of nitrogen Carbon dioxide Carbon monoxide Oxides of sulphur Oxides of nitrogen Carbon dioxide Carbon monoxide Oxides of sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air is said to be saturated when : Its pressure is minimum It contains maximum content of water vapour Its thickness is maximum It blows over the barren land Its pressure is minimum It contains maximum content of water vapour Its thickness is maximum It blows over the barren land ANSWER DOWNLOAD EXAMIANS APP
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