Sun tanning is a chemical process. Why?

Vitamin D is produced

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Melanin is produced

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Both

A

and

B

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None of the above

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Solution

The correct option is C Both $A$ and $B$
Chemical change is any change that results in the formation of new chemical substances. During sun tanning both $v i t a m i n D$ and $m e l a n i n$ are produced.
Hence, it is a chemical change.

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Sun tanning is a chemical process. Why?

The correct option is C Both A and BChemical change is any change that results in the formation of new chemical substances. During sun tanning both vitamin D and melanin are produced. Hence, it is a chemical change.

The correct option is C Both $A$ and $B$
Chemical change is any change that results in the formation of new chemical substances. During sun tanning both $v i t a m i n D$ and $m e l a n i n$ are produced.
Hence, it is a chemical change.