A white amorphous powder (A) when heated given by a colourlesss gas (B) , white turms water milky and the residue (C ) which is yellow when but white when cold .The resider (C )dissolve in diulite HCIand the resulting solution given given a white precipitate on potassium ferrcyanide solution (A) dissolve in dilute HCI with the evolation of a gas which is obtained above given a white precipitate (D) on addition of excess of `NH_(4)OH` and on passing `H_(2)S` Another portion of this solution gives initially a white precipitate (E ) on addition of `NaOH` which dissolve in excess of it identify (A) to (E ).

A white amorphous powder (A) when heated given by a colourlesss gas (B

1.	A white amorphous powder (A) when heated given by a colourlesss gas (B) , white turms water milky and the residue (C ) which is yellow when but white when cold .The resider (C )dissolve in diulite HCIand the resulting solution given given a white precipitate on potassium ferrcyanide solution (A) dissolve in dilute HCI with the evolation of a gas which is obtained above given a white precipitate (D) on addition of excess of `NH_(4)OH` and on passing `H_(2)S` Another portion of this solution gives initially a white precipitate (E ) on addition of `NaOH` which dissolve in excess of it identify (A) to (E ).
Answer» Correct Answer - A:`ZnCO_(3)` B: `CO_(3)` C: `ZnO` D: `ZnS` E : `Zn(OH)_(2)`

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