Question

Which of the following steps will slow down the reaction between coal and oxygen?

Increase the temperature of coal
Keep the coal in a wide dish
Keep the coal in a narrow test tube
Decrease the temperature of oxygen

Answer 1

Answer: its (D) Decrease the temperature of oxygen

Step-by-step explanation:

i did same test and got this right

but the reason is that the less oxygen there is, the slower the chemical reaction

Answer 2

Decrease the temperature of the oxygen because if coal goes air born it can explode and wipe out power plants like they were not there