Chemistry Which one is the most reactive gaseous element Iodine Flourine Bromine Chlorine Iodine Flourine Bromine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Respiratory diseases (e.g.asthma) Silicosis Cancer Reduced crop yield Respiratory diseases (e.g.asthma) Silicosis Cancer Reduced crop yield ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 150 km 100 km 200 km 300 km 150 km 100 km 200 km 300 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 5 zero 4 2 5 zero 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Lead Arsenic Mercury Aluminium Lead Arsenic Mercury Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Sulphuric acid Phosphoric acid Carbonic acid Boric acid Sulphuric acid Phosphoric acid Carbonic acid Boric acid ANSWER DOWNLOAD EXAMIANS APP
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