Q.

Boiling water is a ________ change because _________.

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a

Physical, the gaseous water produced is chemically identical to the liquid water the process began with

b

Physical, the water disappeared

c

Chemical, the heat was required for the change

d

Chemical, the process produced a gas 

answer is A.

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Detailed Solution

Boiling water is a kind of physical change.
This is because the aerated water produced is chemically similar to liquid water.
This means that they both have the same molecular structure as water.
 
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