D) 1) Answer the following questions.
a) What is carbonisation?
(3)
Ans.
b) What are fossils?
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c) What is refining?
Ans....
Answers
What is carbonisation?
Carbonization is the conversion of organic matters like plants and dead animal remains into carbon through destructive distillation.
What are fossils?
A fossil is any preserved remains, impression, or trace of any once-living thing from a past geological age.
What is refining?
remove impurities or unwanted elements from (a substance), typically as part of an industrial process.
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Explanation:
a )Carbonization is done to obtain charcoal by heating solid biomass in the absence of air or oxygen. Carbonization is the term for the conversion of an organic substance into carbon or a carbon-containing residue through pyrolysis or destructive distillation.
b)Fossils are the preserved remains, or traces of remains, of ancient organisms. Fossils are not the remains of the organism itself! They are rocks. A fossil can preserve an entire organism or just part of one. Bones, shells, feathers, and leaves can all become fossils.
c)Refining is the process of reducing the impurities in a substance. You can't turn crude oil into gasoline without first refining it. ... Refining can also mean the act of making something more efficient, such as a business process, or clear, such as an idea or argument