Question

Which of the following observations would indicate the reaction of vinegar with baking soda?
a. Change in colour
b. Evolution of a gas
c. Characteristic smell
d. Generation of light​

Answer 1

Answer:

baking soda is sodium bicarbonate (a base) and vinegar is diluted acetic acid. When they react to release the OH and H to become water, they also release carbon dioxide. This makes the reaction bubble and expand, just like when you shake up a can of soda and open it!

Answer 2

Answer:

c.Characteristic smell