|
While preparing CO2 in laboratory on which of the following substances hydrochloric acid is poured? |
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|
(a) |
Pieces of Zinc |
(b) |
The practices of copper sulphate |
|
(c) |
Pieces of marble |
(d) |
Ammonium chloride |
|
While preparing CO2 in laboratory on which of the following substances hydrochloric acid is poured? |
|||
|
(a) |
Pieces of Zinc |
(b) |
The practices of copper sulphate |
|
(c) |
Pieces of marble |
(d) |
Ammonium chloride |