Chemistry The first metal used by man was copper gold iron bronze copper gold iron bronze ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Sponge Polythene Sulphur Chlorine Sponge Polythene Sulphur Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Silver Iron Aluminium Gold Silver Iron Aluminium Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bayer's reagent is Hydrogen peroxide Bromine water Acidified potassium permanganate Alkaline potassium permanganate Hydrogen peroxide Bromine water Acidified potassium permanganate Alkaline potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Identify the metal which is non toxic in nature. Cadmium Cobalt Chromium Gold Cadmium Cobalt Chromium Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour milk contains Lactic acid Tartaric acid Acetic acid Citric acid Lactic acid Tartaric acid Acetic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP