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Choose from the following list of substances, as to what matches the description from (i) to (v) given below : [Acetylene gas, aqua fortis, coke, brass, barium chloride, bronze, platinum]. (i) An aqueous salt solution used for testing sulphate radical. (ii) A catalyst used in the manufacture of nitric acid by Ostwald's process.(iii) A black, powdery substance used for the reduction of zinc oxide during its extraction.(iv) A gaseous hydrocarbon commonly used for welding purposes (v) The substance is an alloy of zinc, copper and tin. |
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Answer» (i) Barium Chloride (ii) Platinum (iii) Coke (iv) Acetylene (v) Bronze |
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