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Physics 16 Online
OpenStudy (anonymous):

( Help Please ) 1.Which of the following is an example of a physical change to matter? A.rusting B.digestion C.freezing 2. Which of the following is an example of a chemical change? A.melting a stick of butter B. dissolving salt in water C. using magnesium to displace hydrogen gas from water

OpenStudy (anonymous):

1- A 2 - C

OpenStudy (anonymous):

Freezing for the 1st one & C for the second one..

OpenStudy (anonymous):

1-C,

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