When working with a Bunsen burner, which safety rule is MOST important? A) Always add acid to water. B) Never wear open-toed shoes. C) Make sure to tie your hair back. D) Always use a wafting motion to

When working with a Bunsen burner, which safety rule is MOST important? A) Always add acid to water. B) Never wear open-toed shoes. C) Make sure to tie your hair back. D) Always use a wafting motion to smell chemicals.

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