Question

When a bit of baking soda is added to vinegar in a test-tube, a hissing sound is heard and several bubbles occur. This is due to the formation of
(a) Oxygen
(b) Carbon dioxide
(c) Hydrogen
(d) None of the above​

Answer 1

Answer:

carbon dioxide

Explanation:

on mixing baking soda to vinegar, effervescence of carbon dioxide is observed.

Answer 2

Correct Answer (b) - This is due to the formation of Carbon dioxide Gas.