Chemistry, 27.07.2019 02:30 symonya

Ascientist spilled a few drops of dilute hydrochloric acid (hcl) on a lab table. for safety purposes, the scientist sprinkled some baking soda (nahco3) onto the spill. which observation would provide the best evidence that a chemical reaction occurred

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Ascientist spilled a few drops of dilute hydrochloric acid (hcl) on a lab table. for safety purposes...