6.Vanaja had a beaker with a small amount of baking soda. She added a few drops of vinegar to the baking soda and observed fizzing and bubbling. Based on her observation, which of these can Vanaja determine about the new substance formed by mixing the baking soda and vinegar?
a. It was hot.
b. It was a gas.
c. It was magnetic.
d. It was a conductor.
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Answer:
It was hot.
Ans. c.
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