MCQOPTIONS
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| 1. |
__________ is a cheap filler, mined from natural deposits, used in magazine and book paper. It’s not as bright as CaCO3 and TiO3, has an index of refraction of 1.55. |
| A. | PCC |
| B. | Fillers |
| C. | Clay |
| D. | Dyes |
| Answer» D. Dyes | |