Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 10 and 20 km 5 and 10 km 50 and 100 km 20 and 50 km 10 and 20 km 5 and 10 km 50 and 100 km 20 and 50 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rectified spirit is : Methylated spirit 100% ethyl alcohol 95% ethyl alcohol Tincture iodine Methylated spirit 100% ethyl alcohol 95% ethyl alcohol Tincture iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.18 0.305 0.25 0.27 0.18 0.305 0.25 0.27 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Graphite Diamond Napthalene Teflon Graphite Diamond Napthalene Teflon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? SO2 Dust particles Photochemical smog NO2 SO2 Dust particles Photochemical smog NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acids serves as an electrolyte in a lead storage battery? Lactic acid Sulphuric acid Hydrochloric acid Nitric acid Lactic acid Sulphuric acid Hydrochloric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
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