Chemistry Brass is made of Copper and tin Tin and lead Copper, tin and zinc Copper and zinc Copper and tin Tin and lead Copper, tin and zinc Copper and zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the product formed when sodium bicarbonate is heated strongly? Sodium Peroxide Sodium Hydroxide Sodium Carbonate Sodium Monoxide Sodium Peroxide Sodium Hydroxide Sodium Carbonate Sodium Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peroxyacetyl nitrate is a Vitamin Secondary pollutant Plant hormone Acidic dye Vitamin Secondary pollutant Plant hormone Acidic dye ANSWER DOWNLOAD EXAMIANS APP
Chemistry White lung cancer' is caused by Textiles Asbestos Paper Silica Textiles Asbestos Paper Silica ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Borax-Bead test Spectroscopy Sodium Nitroprusside test Hydrolysis test Borax-Bead test Spectroscopy Sodium Nitroprusside test Hydrolysis test ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to denature ethanol ? Phenol Methane Propyl alcohol Methyl alcohol Phenol Methane Propyl alcohol Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
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