Chemistry In galvanization, iron is coated with Tin Zinc Copper Nickel Tin Zinc Copper Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas contains mainly : Ethylene Methane Propylene Acetylene Ethylene Methane Propylene Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Oxidation of cellulose Frequent use Collection of dust Lack of aeration Oxidation of cellulose Frequent use Collection of dust Lack of aeration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is used in Semiconductors All of these Transistors Solar energy devices Semiconductors All of these Transistors Solar energy devices ANSWER DOWNLOAD EXAMIANS APP
Chemistry A polymeric substance used to make parachute is Cotton Viscose Terylene Rayon Cotton Viscose Terylene Rayon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is An antioxidant A reductant An antiknock compound A catalyst in burning fossil fuel An antioxidant A reductant An antiknock compound A catalyst in burning fossil fuel ANSWER DOWNLOAD EXAMIANS APP
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