To make a benzene soluble cement, `60 g` rosion  is melted in an ion pot and `68 g` beeswax and
Channel: Doubtnut
Date: 2020-07-12

To make a benzene soluble cement, `60 g` rosion  is melted in an ion pot and `68 g` beeswax and `12 g` shellac are added. How much of shellac should be taken to makes `35 g` cement?