Q. Which of the following are correctly matched :
- Coke- pure form of carbon.
- Coal tar- black, thin liquid.
- Coal gas- manufacturing perfumes.
Select the correct answer from the codes given below:
Answer:
Only 1 and 2
Notes:
- Coke - pure form of carbon: This match is correct. Coke is a high-carbon-content material that is derived from coal and is primarily composed of pure carbon.
- Coal tar - black, thin liquid: This match is also correct. Coal tar is a thick, black, and sticky liquid byproduct obtained during the destructive distillation of coal. It is commonly used in various industrial applications.
- Coal gas - manufacturing perfumes: This match is incorrect. Coal gas is a flammable gas produced by the incomplete combustion of coal. It has been historically used for lighting and heating purposes but is not used in the manufacturing of perfumes.