Question

Coal tar contains about

• A. 300 substances
• B. 400 substances
• C. 200 substances
• D. 100 substances

Answer 1

The correct option is C

200 substances

An explanation for the correct option

(c) 200 substances

• Coal tar is a black, thick liquid with an unpleasant smell.
• It contains benzene, naphthalene, phenol, aniline and many other organic chemicals.
• It is obtained as a by-product in the process of making coke.
• Coal tar contains about 200 substances.
• Tar is insoluble in nature which means that it can't dissolve in water.
• It has a boiling point of two hundred to two two hundred and fifty degree Celsius.
• Its a fuel resistant and has more temperature susceptible than asphalt cement

Therefore, the correct option is (C) as coal tar contains 200 substances.