

MCQOPTIONS
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1. |
Boiling of water containing temporary hardness produces? |
A. | CO‚ÇÇ |
B. | CaSO‚ÇÑ |
C. | CaHCO‚ÇÉ |
D. | None of these |
Answer» B. CaSO‚Äö√á√ë | |