MCQOPTIONS
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MCQOPTIONS
| 1. |
Statement I): Incrustation of sand occurs in rapid sand filter when water softened by lime-soda is fed in for filtration.Statement II): The sand gets coated with precipitates of Ca(OH)2 and Mg(OH)2 generated during softening of water by lime-soda process which leads to incrustation of sand. |
| A. | Both Statement I) and Statement II) are individually true and Statement II) is the correct explanation of Statement I) |
| B. | Both Statement I) and Statement II) are individually true but Statement II) is not the correct explanation of Statement I) |
| C. | Statement I) is true but Statement II) is false |
| D. | Statement I) is false but Statement II) is true |
| Answer» D. Statement I) is false but Statement II) is true | |