Chemistry Alum is used as A purifier for water A disinfectant An analgesic A fertilizer A purifier for water A disinfectant An analgesic A fertilizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid used in lead storage cells is Phosphoric acid Hydrochloric acid Sulphuric acid Nitric acid Phosphoric acid Hydrochloric acid Sulphuric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO2 CO NO Hydrocarbons CO2 CO NO Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Carbon Monoxide Ozone gas Carbon dioxide Methane Carbon Monoxide Ozone gas Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Diesel Hydrogen Coal Kerosene Diesel Hydrogen Coal Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 6.023 x 1023 4.84 x 1017 1.568 x 103 6.023 x 1019 6.023 x 1023 4.84 x 1017 1.568 x 103 6.023 x 1019 ANSWER DOWNLOAD EXAMIANS APP
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