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Today General Knowledge(GK)
Which one of the following is not a type of coal?
A)
Siderite
B)
Lignite
C)
Anthracite
D)
Peat

Correct Answer : Option (A) - Siderite



Siderite is a mineral composed of iron(II) carbonate. It is a valuable iron mineral, since it is 48% iron and contains no sulfur or phosphorus. 

Published On : June 13, 2021
Category : Science and Technology
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