Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon monoxide Water vapour Carbon dioxide Ozone Carbon monoxide Water vapour Carbon dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 146 238 92 330 146 238 92 330 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Nitrogen Carbon monoxide Neon Carbon dioxide Nitrogen Carbon monoxide Neon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Diesel Coal Hydrogen Kerosene Diesel Coal Hydrogen Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? Carbondioxide emission Deforstation CFC emission Methane emission Carbondioxide emission Deforstation CFC emission Methane emission ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peptization is a process of Protection of colloidal solution Dispersing precipitates into colloidal solution Purification of colloids Precipitation of colloidal particles Protection of colloidal solution Dispersing precipitates into colloidal solution Purification of colloids Precipitation of colloidal particles ANSWER DOWNLOAD EXAMIANS APP
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