MCQOPTIONS
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| 1. |
A solution of sulphur dioxide in water reacts with \[{{H}_{2}}S\] precipitating sulphur. Here sulphur dioxide acts as [NCERT 1980] |
| A. | As oxidising agent |
| B. | A reducing agent |
| C. | An acid |
| D. | A catalyst |
| Answer» B. A reducing agent | |