Solve this multiple-choice question and choose the correct option.

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Town (street/domestic) lighting/heating gas — historical usage Identify which manufactured gas was mostly used historically for street and domestic lighting and heating in towns. Choose the correct option.

Difficulty: Easy

Producer gas
Coal gas
Mond gas
Coke oven gas

Correct Answer: Coal gas

Explanation:

ConceptCoal gas (also called town gas) was widely used in urban distribution networks for lighting and heating before natural gas adoption.

Final AnswerCoal gas

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