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1.10
Which procedure involves a physical change in one of the substances?
O creating salt by reacting sodium metal and chlorine gas
O grinding chalk into a fine powder
o building a model rocket propelled by mixing baking soda and vinegar
O allowing a nail to rust

The answer is C.) Grinding Chalk into a fine powder because as you can see from the others, the words REACTING, MIXING, and anything dealing with rust, is a result of a chemical change happening. Grinding chalk is not changing the fact that it is chalk, all it is doing is changing its physical shape. I hope you found this helpful have a good night!

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= 1.10 Which procedure involves a physical change in one of the substances? O creating salt by reacting sodium metal and chlorine gas O grinding chalk into a fine powder o building a model rocket propelled by mixing baking soda and vinegar O allowing a nail to rust

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=
1.10
Which procedure involves a physical change in one of the substances?
O creating salt by reacting sodium metal and chlorine gas
O grinding chalk into a fine powder
o building a model rocket propelled by mixing baking soda and vinegar
O allowing a nail to rust