Coke oven gas compared to blast furnace gas is________________?
Correct answer: D. All A., B. and C.
- A. More explosive and inflammable
- B. Less poisonous
- C. Lighter
- D. All A., B. and C.
Explanation
Coke oven gas contains a high proportion of hydrogen and methane, making it lighter and more inflammable than blast-furnace gas. Blast-furnace gas contains much more poisonous carbon monoxide, so all three comparisons are valid.
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