Which is the highest quality of hard coal?
A). Anthracite
B). Bituminous
C). Lignite
D). Peat
Anthracite
Anthracite, often referred to as hard coal, is a hard, compact variety of coal that has a submetallic luster. It has the highest carbon content, the fewest impurities, and the highest energy density of all types of coal and is the highest ranking of coals.
1. Tear gas is
2. The coordination number of body centered atom in cubic structure is
3. The substance that is added to make natural rubber strong and more bouncy is
4. A mixture of water and alcohol can be separated by
5. Which among the following is an endothermic reaction?
6. When ice cubes are made, the entropy of water
8. Detergents used for cleaning clothes and utensils contain
9. Which is the purest form of iron?
10. Which of the following is used as raw material for the manufacture of rayon?