Chemistry In galvanization, iron is coated with Nickel Tin Copper Zinc Nickel Tin Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is used in Semiconductors Solar energy devices Transistors All of these Semiconductors Solar energy devices Transistors All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The National Chemical Laboratory is situated in Patna Pune Bangalore New Delhi Patna Pune Bangalore New Delhi ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Gamma rays Infra-red (IR) X–rays Ultraviolet rays (UV) Gamma rays Infra-red (IR) X–rays Ultraviolet rays (UV) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bone ash contains Phosphoric sulphate Calcium sulphate Calcium hypophosphate Calcium phosphate Phosphoric sulphate Calcium sulphate Calcium hypophosphate Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Adsorbent Oxidizing agent Coagulant aid Reducing agent Adsorbent Oxidizing agent Coagulant aid Reducing agent ANSWER DOWNLOAD EXAMIANS APP
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