Which of the following statements is/are true of coal gasification?
1. Coal gasification reduces the size of the coal molecules by breaking down the coal structure.
2. Coal gasification is carried out by treating the coal with hydrogen and sodium chloride at low temperature.
3. Coal gasification breaks and replaces the carbon-carbon bonds with carbon-hydrogen and carbon-oxygen bonds.

Question

​Which of the following statements is/are true of coal gasification?
1. Coal gasification reduces the size of the coal molecules by breaking down the coal structure. 
2. Coal gasification is carried out by treating the coal with hydrogen and sodium chloride at low temperature. 
3. Coal gasification breaks and replaces the carbon-carbon bonds with carbon-hydrogen and carbon-oxygen bonds.

Quizplus · Accepted Answer

1. Coal gasification involves breaking down the coal structure to form smaller molecules, which can then be reacted to produce synthesis gas.
2. Coal gasification is typically carried out by reacting coal with steam and oxygen or air at high temperatures and pressures, not with hydrogen and sodium chloride at low temperatures.
3. Coal gasification does indeed break and replace the carbon-carbon bonds in coal, but it does so by reacting coal with steam and oxygen or air to form synthesis gas, which contains mostly carbon monoxide and hydrogen. These gases can then be used as a fuel or as a feedstock for chemical production.

​Which of the Following Statements Is/are True of Coal Gasification

Which of the Following Statements Is/are True of Coal Gasification