Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Tinning Electroplating Hot dipping Galvanising Tinning Electroplating Hot dipping Galvanising ANSWER DOWNLOAD EXAMIANS APP
Chemistry In electro-refining, the pure metal is deposited on Electrolyte Vessel Cathode Anode Electrolyte Vessel Cathode Anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement containing excess amount of lime Becomes more strong Is quick setting Cracks during setting Is slow setting Becomes more strong Is quick setting Cracks during setting Is slow setting ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Calcium Barium Sodium Strontium Calcium Barium Sodium Strontium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Alum Clay Gypsum Alumina Alum Clay Gypsum Alumina ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . X–rays Ultraviolet rays (UV) Infra-red (IR) Gamma rays X–rays Ultraviolet rays (UV) Infra-red (IR) Gamma rays ANSWER DOWNLOAD EXAMIANS APP
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