Choose from the list of substances - Acetylene gas, ayua fortis, coke, brass, barium chloride, bronze, platinum The substance which is an alloy of zinc, copper and tin.

Choose from the list of substances - Acetylene gas, aqua fortis , coke , brass , barium chloride , bronze, platinum. An aqueous salt solution used for testing sulphate radical.

Choose from the list of substances, as to what matches the description : [Acetylene gas, aqua fortis, coke, brass, barium chloride, bronze, platinum). An aqueous salt solution used for testing sulphate radical.

Choose from the list of substances, as to what matches the description given below: [Acetylene gas, aqua fortis, coke, brass, barium chloride, bronze, platinum]. A catalyst used in the manufacture of nitric acid by Ostwald's process.

Choose from the following list of substances, as to what matches the description given below: [Acetylene gas, aqua fortis, coke, brass, barium chloride, bronze, platinum). (i) A black powdery substance used for the reduction of zinc oxide during its extraction. (ii) The substance is an alloy of zinc, copper and tin.

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

From the list of the gases - Ammonia ethane,hydrogen chloride hydrogen sulphide,ethyne- Select the gas which is used as a reducing agent in reducing copper oxide to copper.

From the list of substances given- Amonium sulphate, Lead carbonate, Copper nitrate, Ferrous sulphate- State a solution of the compound which gives a dirty green precipitate with sodium hydroxide.

Select from the list given (A to E) one substance in each case which matches the description given in parts (i) to (v). (Note: Each substance is used only once in the answer. (A) Nitroso iron (II) sulphate (B) Iron (III) chloride (C) Chromium sulphate (D) Lead (II) chloride (E) Sodium chloride (i) A compound which is yellow brown. (ii) A compound which is insoluble in cold water, but soluble in hot water. (iii) The compound responsible for the brown ring during the ring test of nitrate ion. (iv) A compound whose aqueous solution is neutral in nature. (v) The compound which is responsible for the green colouration when sulphur dioxide is passed through acidified potassium dichromate solution.

From the substances - Ammonium sulphate , Lead carbonate ,Chlorine ,Copper nitrate , Ferrous sulphate- State : A compound which releases a reddish brown gas on reaction with conc . H_(2)SO_(4) & copper turnings.

Choosing the substances from the list given below, write balanced chemical equations for the reactions which would be used in the laboratory to obtain the following salts: Zinc carbonate