Chemistry The depletion in Ozone layer is caused by ________ . Nitrous oxide Carbon dioxide Chlorofluorocarbons Methane Nitrous oxide Carbon dioxide Chlorofluorocarbons Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Sulphur Silicon Magnesium Phosphorous Sulphur Silicon Magnesium Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Coal Mica Petroleum Natural Gas Coal Mica Petroleum Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Methanoic and ethanoic acids can be distinguished by the action of Tollen's reagent SOCl2 NaOH NaHCO3 Tollen's reagent SOCl2 NaOH NaHCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Nitramines Nitrites Ammonia Nitrates Nitramines Nitrites Ammonia Nitrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used for converting vegetable oils into saturated fats ? H2 Cl2 O2 SO2 H2 Cl2 O2 SO2 ANSWER DOWNLOAD EXAMIANS APP
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