Words to Describe chars

How chars often is described ("________ chars")

• raw
• meanest
• organic
• residual
• powdered
• bit
• longer
• activated
• anti
• most
• temperature
• various
• porous
• several
• reactive
• nitrogenous
• rank
• sulphuric
• valid
• strong
• derived
• japanese
• void
• variable
• black
• brittle
• active
• commercial
• synthetic
• british
• eastern
• arctic
• north
• copy
• colymbus
• american
• low
• bituminous
• brown
• sandy
• unsigned
• new
• invalid
• hart
• first
• control
• large
• numerous
• different
• treated
• special
• intumescent
• carbonaceous
• largest
• other
• individual
• soft
• transpose
• var