Fuels and Combustion
A coal having higher volatile matter content will necessarily have lower

Ash fusion temperature
Calorific value
Caking index
Ignition temperature

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Fuels and Combustion
Cannel coal

All of these
Is non-coking
Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named
Has a high volatile matter content and burns with a luminous smoky flame

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