MCQOPTIONS
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MCQOPTIONS
| 1. |
Hardness producing salt, whose solubility in water decreases with rise of temperature is |
| A. | \[CaC{{l}_{2}}\] |
| B. | \[CaS{{O}_{4}}\] |
| C. | \[Ca{{(HC{{O}_{3}})}_{2}}\] |
| D. | \[MgS{{O}_{4}}\] |
| Answer» C. \[Ca{{(HC{{O}_{3}})}_{2}}\] | |