Chemistry The most commonly used chemicals in the artificial rainmaking or cloud seeding are All of these Dry Ice (Frozen CO2) Sodium Chloride (NaCl) Silver Iodide (Ag I) All of these Dry Ice (Frozen CO2) Sodium Chloride (NaCl) Silver Iodide (Ag I) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Elimination reaction Substitution reaction None of the options Addition reaction Elimination reaction Substitution reaction None of the options Addition reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is Ca(OH)2 Na2CO3.10H2O Na2SO4.10H2O NaHCO3 Ca(OH)2 Na2CO3.10H2O Na2SO4.10H2O NaHCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 5.6 8.3 6.3 3.2 5.6 8.3 6.3 3.2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardness of the water is commonly measured in terms of Magnesium carbonate equivalents Calcium sulphate equivalents Magnesium sulphate equivalents Calcium carbonate equivalents Magnesium carbonate equivalents Calcium sulphate equivalents Magnesium sulphate equivalents Calcium carbonate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Chlorine Ozone Oxygen Nitrogen Chlorine Ozone Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP