During the manufacture of canesugar, unwanted colours are removed by addorbing them on charcoal. It is often heard that in getting white sugar, in the final stage, the concentrated solution is filtered through animal bone charcoal. This sometimes leads to thebelief that sugar is not vegetarian. Similarly, many medicines are prepared by using alcohol as one of the somvent and some people do not want to use that medicine because it contains alcohol. After reading the above paragraph, answer the questions: How is the principle of adsorption used by workers in the coal mines ?

During the manufacture of canesugar, unwanted colours are removed by a

1.	During the manufacture of canesugar, unwanted colours are removed by addorbing them on charcoal. It is often heard that in getting white sugar, in the final stage, the concentrated solution is filtered through animal bone charcoal. This sometimes leads to thebelief that sugar is not vegetarian. Similarly, many medicines are prepared by using alcohol as one of the somvent and some people do not want to use that medicine because it contains alcohol. After reading the above paragraph, answer the questions: How is the principle of adsorption used by workers in the coal mines ?
Answer» Solution :Coal mine WORKERS use gas MAKES containing suitable adsorbents. All POISONOUS GASES present deep in the coal mine are preferentially adsorbed and the air for breating is purified.