Chemistry Among the following, carbonate ore of Zinc is Sphalerite Zincblende Calamine Zincite Sphalerite Zincblende Calamine Zincite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Ozone Methane Nitrogen Carbon dioxide Ozone Methane Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. nitric acid and conc. hydrochloric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. sulphuric acid and conc. nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Potassium Permangante Sodium carbonate Alum Lime Potassium Permangante Sodium carbonate Alum Lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Sulphur dioxide Nitric oxide Peroxyacetyl nitrate Carbon dioxide Sulphur dioxide Nitric oxide Peroxyacetyl nitrate Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rusting of iron takes place due to Carbonation Corrosion Oxidation Exfoliation Carbonation Corrosion Oxidation Exfoliation ANSWER DOWNLOAD EXAMIANS APP
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