Solved: What type of change, physical or chemical, takes

Chapter 2, Problem 22QP

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QUESTION:

What type of change, physical or chemical, takes place in each of the following?a. Gold is hammered into thin sheets.b. A silver pin tarnishes in the air.c. A tree is cut into boards at a saw mill.d. Food is digested.e. A chocolate bar melts.

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QUESTION:

What type of change, physical or chemical, takes place in each of the following?a. Gold is hammered into thin sheets.b. A silver pin tarnishes in the air.c. A tree is cut into boards at a saw mill.d. Food is digested.e. A chocolate bar melts.

ANSWER:

Solution 21 QP

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