Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Water vapour Carbon monoxide Ozone Carbon dioxide Water vapour Carbon monoxide Ozone Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Beryllium Potassium Aluminium Magnesium Beryllium Potassium Aluminium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Isobars are lines joining places having equal Population Rainfall Height above sea-level Pressure Population Rainfall Height above sea-level Pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are None of these Sodium salt of benzoic acid Sodium salts of fatty acids Sodium salts of sulphonic acids None of these Sodium salt of benzoic acid Sodium salts of fatty acids Sodium salts of sulphonic acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry Urea is a Potassium fertilizer Phosphatic fertilizer Sodium fertilizer Nitrogenous fertilizer Potassium fertilizer Phosphatic fertilizer Sodium fertilizer Nitrogenous fertilizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Conc. HNO3 and conc. H2SO4 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. HCl Conc. HCl and conc. HNO3 Conc. HNO3 and conc. H2SO4 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. HCl Conc. HCl and conc. HNO3 ANSWER DOWNLOAD EXAMIANS APP