Chemistry Saline soil contains High concentration of salt None of these Hard rocks Lot of moisture High concentration of salt None of these Hard rocks Lot of moisture ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Graphite Silicon Sodium Phosphorus Graphite Silicon Sodium Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases will effuse out of football bladder most quickly ? H2 N 2 O2 He H2 N 2 O2 He ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by SO2 NO2 NO Chlorogluorocarbons SO2 NO2 NO Chlorogluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is NaHCO3 Na2SO4.10H2O Ca(OH)2 Na2CO3.10H2O NaHCO3 Na2SO4.10H2O Ca(OH)2 Na2CO3.10H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 5 and 10 km 10 and 20 km 50 and 100 km 20 and 50 km 5 and 10 km 10 and 20 km 50 and 100 km 20 and 50 km ANSWER DOWNLOAD EXAMIANS APP