Chemistry Alum stops bleeding in minor cuts because of Dialysis Solvation Emulsion Coagulation Dialysis Solvation Emulsion Coagulation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by SO2 and NO2 SO2 and particulates NO2and particulates CO2and CFCs SO2 and NO2 SO2 and particulates NO2and particulates CO2and CFCs ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Aluminium Fluorine Lead Potassium Aluminium Fluorine Lead Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fertilizer ? Urea NH4NO3 Ca(CN)2 CaCN2 Urea NH4NO3 Ca(CN)2 CaCN2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is ozone helium oxygen methane ozone helium oxygen methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen Oxides of nitrogen and sulphur None of these Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen Oxides of nitrogen and sulphur None of these ANSWER DOWNLOAD EXAMIANS APP