Is combustion physical and chemical process???

Answer 1

I'm pretty sure it's a chemical process.

A fuel, typically a hydrocarbon, reacts with oxygen gas to form carbon dioxide gas and water in a combustion reaction, which is an exothermic reaction that generates heat and light.

It's a chemical reaction because new substances are created during it.

The burning of methane is an illustration of a typical combustion reaction:

#CH_4(g)+2O_2(g)->CO_2(g)+2H_2O(g)#
where methane is #CH_4#.
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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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