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Question
A student has an unknown powder and wants to determine what it is. Based on appearance, the student believes it is baking soda. When performing the vinegar test, what can the student expect to happen if it is baking soda?(1 point)
Responses
it will crystallize into a sugar-like substance
it will crystallize into a sugar-like substance
it will bubble and foam
it will bubble and foam
it will turn into a solid glass-like substance
it will turn into a solid glass-like substance
it will turn a blue-black color
it will turn a blue-black color
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1 answer
If the unknown powder is baking soda (sodium bicarbonate) and the student performs the vinegar test, the student can expect the following to happen:
It will bubble and foam.
This reaction occurs because baking soda reacts with vinegar (which contains acetic acid) to produce carbon dioxide gas, leading to bubbling and foaming.
