Advertisements
Advertisements
Question
State in brief the transformation of vegetable matter to different types of coal varying in carbon content.
Advertisements
Solution
Transformation of vegetable matter to coal is due to slow bacterial decomposition of vegetable matter under the influence of heat from within the earth, high pressure of earth (soil) above it and in absence of oxygen over millions of year.
The different stages of transformation of vegetable matter results in different types of coal
- 60%C is peat
- 65%C is lignite
- 85%C is bituminous
- 90%C is anthracite
APPEARS IN
RELATED QUESTIONS
Give two uses for the following:
sugar charcoal
FILL IN THE BLANK
Carbon atom has ................... electrons in its valence shell.
Most of our food contains compounds of carbon. True or false ?
What are hydrocarbons ? Name the two different forms of hydrocarbons.
In which compound forms does carbon occur?
Answer the following question.
Name the type of bonds formed in the methane compound.
State how carbon occurs in the free state and in the combined state.
Name the following:
An acid formed when carbon dioxide is dissolved in water under pressure.
Give a reason for the following:
Carbon monoxide and not carbon dioxide, is a highly poisonous gas.
Higher Order Thinking Skill.
Why do carbon exist mostly in combined state?
