Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume 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 Conc. HNO3 and conc. H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a donor atom? Antimony Aluminium Arsenic Phosphorus Antimony Aluminium Arsenic Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Calcium acetate Sodium oxalate Calcium oxalate Sodium chloride Calcium acetate Sodium oxalate Calcium oxalate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by Chlorogluorocarbons SO2 NO2 NO Chlorogluorocarbons SO2 NO2 NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Cadmium Sodium Lithium Potassium Cadmium Sodium Lithium Potassium 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 methane oxygen helium ozone methane oxygen helium ozone ANSWER DOWNLOAD EXAMIANS APP
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