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When did the Chinese discover coal?
The Chinese Discovered Coal In 1423 :))))
What country has the largest coal reserves in the world?
Russia has the largest coal reserves in the world. It has 1 third of the worlds coal reserves.
How has coal changed the world?
Coal makes fuel. and fuel runs cars
What country in the world produces the most coal?
In Europe, Poland produces the most coal.
What year was coal discovered?
No single person is credited with having discovered coal, and no precise date of its discovery is known. The Chinese, however, are known to have used coal over 3,000 years ago.
Which substances is obtained by heating coal in absence of air?
When coal is heated in the absence of air, it undergoes a process called destructive distillation or pyrolysis, resulting in the formation of substances such as coal gas, coal tar, and coke.
What form of energy is needed to cause substances to change form one solid to a liquid and a liquid to a gas?
thermal energy is needed to do that job. as opposed to mechanical potential or chemical energies.
What substances can be burnt to produce light and heat energy?
Substances like wood, coal, natural gas, and oil can be burned to produce light and heat energy. These substances undergo combustion reactions that release energy in the form of heat and light.
Which substances are not needed for respiration?
Glucose and oxygen are needed for respiration. All other substances are not needed.
What substances cause the most death in the country?
coal
Is burning coal a reversible change?
No, burning coal is an irreversible change as it involves a chemical reaction that transforms the coal into new substances such as carbon dioxide and ash. Once coal is burned, it cannot be reverted back to its original form.
What are the substances needed for photosynthesis and what substances are produced?
CO2 and water is needed. Oxygen and glucose are produced
Which types of wriking in coal handling process?
The Coal Handling Plant is needed in the coal handling process.
What element in coal is oxidised to form this gas?
Carbon in coal is oxidized to form carbon dioxide gas when coal is burned.
What element in the air is needed for coal dust to burn?
Oxygen is the element in the air that is needed for coal dust to burn. When coal dust is exposed to oxygen and heat, it can ignite and burn.
What is the most common form of coal in Pennsylvania?
# WHAT IS THE MOST COMMON FORM OF COAL IN Pennsylvania?
What are the three substances fed into the blast furnace?
The three substances fed into the blast furnace are iron ore (in the form of sinter, pellets, or lumps), coke (a form of carbon derived from coal), and limestone (which helps remove impurities from the iron ore and acts as a flux).
