Chemistry Muddy water is treated with alum in purification process, itis termed as : Adsorption Coagulation Absorption Emulsification Adsorption Coagulation Absorption Emulsification ANSWER DOWNLOAD EXAMIANS APP
Chemistry Inert gases are Miscible with water Chemically very active Not stable Chemically unreactive Miscible with water Chemically very active Not stable Chemically unreactive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard steel contains 0.5 to 1.5 per cent carbon 0.01 to 0.04 per cent carbon 0.1 to 0.4 per cent carbon 2 to 5 per cent carbon 0.5 to 1.5 per cent carbon 0.01 to 0.04 per cent carbon 0.1 to 0.4 per cent carbon 2 to 5 per cent carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Gamma rays X–rays Ultraviolet rays (UV) Infra-red (IR) Gamma rays X–rays Ultraviolet rays (UV) Infra-red (IR) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Silicon and Germanium Tungsten and Platinum Iridium and Germanium Carbon and Platinum Silicon and Germanium Tungsten and Platinum Iridium and Germanium Carbon and Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is an aqueous solution of Citric acid Oxalic acid Hydrochloric acid Acetic acid Citric acid Oxalic acid Hydrochloric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP