MCQOPTIONS
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| 1. |
____________ is the best example for accelerator (admixture). |
| A. | Sulphonated formaldehyde |
| B. | Calcium chloride |
| C. | Sulphonated naphthalene |
| D. | Polyglycolesters |
| E. | .a) Sulphonated formaldehydeb) Calcium chloridec) Sulphonated naphthalened) Polyglycolesters |
| Answer» C. Sulphonated naphthalene | |