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A student believes the identity of an unknown powder is baking soda. Which of the
following tests will be most helpful in confirming the identity of the powder?
A
Adding a small amount of vinegar to the powder
B
Dissolving the powder in a beaker of water
C
Testing the electrical conductivity of it in solution
D
Comparing the color of the powder to other powders

A student believes the identity of an unknown powder is baking soda Which of the following tests will be most helpful in confirming the identity of the powder A class=

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jbumbrey14ovima2
It is a because the student believes the identity of an unknown powder which is baking soda

In order to identify whether unknown powder is baking soda or not, adding a small amount of vinegar to the powder would be the best test as it can be observed with the given table that only the baking soda reacts with vinegar. Thus, the correct option is A). Adding a small amount of vinegar to the powder.

What is the way to identity the baking soda?

Baking soda is natural chemical that is commonly known as sodium bicarbonate. It is white in color and salt composed of a sodium cation. It often appears as a fine powder.

There are two ways to test whether the baking soda is still active or not. First, drop half teaspoon of baking soda into hot water and observe if it fizzes and forms bubbles, then it's still good. Second way, drop half teaspoon of soda into a small amount of vinegar and if it fizzes, it's still active.

Thus, it can be concluded that the baking soda reacts with the vinegar. So, in order to identify it just add small amount of vinegar to the powder.

Learn more about baking soda here:-

https://brainly.com/question/2427021

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