When baking soda is passed through vinegar, bubbles are formed with the evolution of a gas. Name the gas evolved. What happens when the gas is passed through limewater?
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Baking soda reacts with acetic acid (vinegar). CO2 gas is released with effervescence which causes the hissing sound. Because of the reaction between an acid (vineger - acetic acid), and baking soda which reacts to form carbon di oxide which is released from the solution with a hissing sound.
When carbon dioxide is passed through lime water, calcium carbonate is formed, which makes lime water milky. The turning of lime water into milky is a standard test of carbon dioxide. vinegar and baking soda together produced carbon dioxide, which turned lime water milky.
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When baking soda (Sodium hydrogen carbonate) is mixed with lemon juice (citric acid), bubbles are formed. The bubbles are formed due to the evolution of carbon dioxide gas. This is a chemical change.
In this change, citric acid contained in lemon juice reacts with sodium hydrogen carbonate which results in the evolution of carbon dioxide gas.
Lemon juice + Baking soda → Carbon dioxide + Other substances
Citric acid Sodium
Hydrogen carbonate
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