Description : The most pure form of Carbon among the options is – (1) Anthracite (2) Lampblack (3) Graphite (4) Wood Charcoal
Last Answer : (1) Anthracite Explanation: There are three forms of pure carbon: graphite, coal and diamond. Among coal, Anthracite has the highest carbon content, the fewest impurities, and the highest calorific content ... the most metamorphosed type of coal in which the carbon content is between 92.1% and 98%.