Chemistry Which of the following is a secondary pollutant ? NO CO SO2 PAN NO CO SO2 PAN ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as a sowing agent in the preparation of soft drinks? Boric acid Phosphoric acid Salicylic acid Phosphorus acid Boric acid Phosphoric acid Salicylic acid Phosphorus acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was gold copper bronze iron gold copper bronze iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Hydrogen Neon Sodium Nitrogen Hydrogen Neon Sodium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important ore of aluminium is Cryolite Fluorspar Bauxite Haematite Cryolite Fluorspar Bauxite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals has least melting point ? Copper Gold Mercury Silver Copper Gold Mercury Silver ANSWER DOWNLOAD EXAMIANS APP
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