Chemistry Which one of the following acids is used in battery ? Sulphurous acid Hydrochloric acid Hydrofluoric acid Sulphuric acid Sulphurous acid Hydrochloric acid Hydrofluoric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Conc. HNO3 and conc. HCl Dil. HCl and dil. HNO3 Conc. HCl and conc. HNO3 Conc. HNO3 and conc. H2SO4 Conc. HNO3 and conc. HCl Dil. HCl and dil. HNO3 Conc. HCl and conc. HNO3 Conc. HNO3 and conc. H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Ge Ag Cu Au Ge Ag Cu Au ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Gold Silver Aluminium Iron Gold Silver Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of carbon and nitrogen Oxides of nitrogen and phosphorous None of these Oxides of nitrogen and sulphur Oxides of carbon and nitrogen Oxides of nitrogen and phosphorous None of these Oxides of nitrogen and sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galena is a mineral of Iron Lead Gold Calcium Iron Lead Gold Calcium ANSWER DOWNLOAD EXAMIANS APP
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