. When vinegar reacts with baking soda the gas evolved is


When vinegar reacts with baking soda the gas evolved is

 (a) Hydrogen (b) Oxygen

 (c) Carbon dioxide (d) Nitrogen dioxide

 

Best Answer

Ans- (c) Carbon dioxide 

Vinegar is acetic acid and baking soda is sodium hydrogen carbonate (a base). When ever an acid reacts with a metal carbonate it produces carbon dioxide gas.

 CH3COOH + NaHCO3 -----------à CH3COONa + H2O + CO2

 

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