Is it true that the incense stick burns to produce ash and some pleasant smelling gases?

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True

False

answer is A.

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Detailed Solution

The above statement is true.
Changes are either reversible or irreversible. When an incense stick burns, it produces ash and some nice-smelling gases. Now, we cannot return the original incense stick from the ashes and gases. They cannot be recombined again to produce an incense stick. So, the burning of an incense stick is an irreversible change and it burns to produce ash and some pleasant smelling gases.

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