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. HCl and conc. HNO3 Conc. HNO3 and conc. HCl Conc. HNO3 and conc. H2SO4 Dil. HCl and dil. HNO3 Conc. HCl and conc. HNO3 Conc. HNO3 and conc. HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry Fertiliser having high nitrogen content is : Ammonium sulphate Urea Ammonium nitrate Calcium citrate Ammonium sulphate Urea Ammonium nitrate Calcium citrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Pearl Topaz Cat's-eye Opal Pearl Topaz Cat's-eye Opal ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, Lead is formed Sulphuric acid is consumed Lead sulphate is consumed SO2 is evolved Lead is formed Sulphuric acid is consumed Lead sulphate is consumed SO2 is evolved ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Charcoal Coal-tar Camphor Diesel Charcoal Coal-tar Camphor Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of SO2 layer O3 layer CO2 layer O 2 layer SO2 layer O3 layer CO2 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP
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