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Complete the following Phrase:

1.) To form Rust in iron, you must____________________

2.) To release carbon dioxide gas in an eggshell, you must,________________

From the statements You have formed, whick ones undergo:?

1. physical change?
2. chemical change?​


Sagot :

Explanation:

1. expose it with oxygen (chemical change)

2. soak it with vinegar (physical?)