Melting, vaporization, boiling, and sublimation.
Answer:
The answer is (B.) Chlorine
Explanation:
Its because i took the test
The residue of coal decomposition in the manufacture of steel is coal tar. It is a by product of the coking process in the blast furnace. Coal gas is another by product but is not the answer becuase this is not a residue which is a solid. Coal gas is a gas. Coke in fact is one of the reactants fed for steel making. Answer is choice 3.
