Read the above case based question and answer the following: Two boiling tubes were taken, about 2 grams of a green coloured metal salt 'A' was taken in the first tube and 2 grams of a white coloured metal salt 'B' was taken in the second tube. Both the tubes were heated by holding them with a pair of tongs. Smell of burning Sulphur was observed in first test tube whereas brown gas was emitted in the second test tube.
The salts 'A' and 'B' are: *
1 point Ferrous nitrate and lead sulphate respectively
2Ferric oxide and lead nitrate respectively
3Ferrous sulphate and lead nitrate respectively
4Ferric oxide and lead sulphate respectively
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A landmass surrounded by water on three sides or a three location is called peninsula
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