Question

case based question

Two boiling tubes were taken, about 2 grams of a green colored metal salt ‘A’ was taken in the first tube and 2 grams of a white colored metal salt ‘B’ was takes in the second tube. Both the tubes were heated by holding them with a pair of tongs. Smell of burning Sulphur was observed in the first test tube whereas brown gas was observed in first test tube whereas brown gas was emitted in the second test tube.

(A).The salt ‘A’ and ‘B’ are: (a) Ferrous nitrate and lead sulphate respectively. (b) Ferric oxide and lead nitrate respectively. (c) Ferrous sulphate and lead nitrate respectively.​

Answer 1

Answer:

(A). the salt 'A, and 'B' are: (a) ferrous nitrate and lead sulphate respectively