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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.
Name three substances obtained from common salt?
Three substances obtained from common salt are sodium chloride (table salt), bleach (sodium hypochlorite), and baking soda (sodium bicarbonate).
. Which is not an energy resource obtained from the ocean?
Coal.
Which fuel is obtained by strip mining?
the answer is coal
Best coking coal is mostly obtained from?
jharia
Which fuel is usually obtained by strip mining?
the answer is coal
what fuel is usually obtained by strip mining?
Coal
What 3 substances that can generate elerctrial energy?
Three substances that can generate electrical energy are coal, natural gas, and uranium. These substances can be used in power plants to produce electricity through various processes such as combustion or nuclear fission.
How is coal obtained?
Coal is obtained through mining. It is typically extracted from underground mines using various methods such as longwall mining or room and pillar mining. Once the coal is extracted, it is processed and prepared for use as a source of energy.
Where is coal obtained?
Coal is obtained through mining. It is typically found underground in coal mines and can be extracted through surface mining or underground mining methods. The process of coal mining involves the removal of coal from the earth's crust for various industrial purposes such as electricity generation and steel production.
How is coal obtained from the environment?
Coal is obtained through mining, which involves extracting coal deposits from underground or surface mines. In underground mining, coal is accessed by digging tunnels into the earth to reach the coal seams. In surface mining, large machinery is used to remove overlying rock and soil to reveal the coal seams underneath.
How many substances are pure substances?
Practically (exceptions exist) all known substances can be obtained in a pure fom.
