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| 1. |
which of the following is used to prepair Cl2 gas at room temp.from conc. HCl ?1)KMnO4 2)MnO2 3)H2S 4) Cr2O3 |
| Answer» which of the following is used to prepair Cl2 gas at room temp.from conc. HCl ?1)KMnO4 2)MnO2 3)H2S 4) Cr2O3 | |