10th Class Science Solved Paper - Science-2016 Outside Delhi Set-I

A student adds a spoon full of powdered sodium hydrogen carbonate to a flask containing ethanoic acid. List two main observations, he must note in his note book, about the reaction that takes place. Also write chemical equation for the reaction.

Answer:

The two main observations are:

(i) Brisk effervescence.

(ii) Evolution of colourless and odourless gas

\[C{{H}_{3}}COOH+NaHC{{O}_{3}}\to C{{H}_{3}}COONa+{{H}_{2}}O+C{{O}_{2}}\]

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10th Class Science Solved Paper - Science-2016 Outside Delhi Set-I

question_answer A student adds a spoon full of powdered sodium hydrogen carbonate to a flask containing ethanoic acid. List two main observations, he must note in his note book, about the reaction that takes place. Also write chemical equation for the reaction.

A student adds a spoon full of powdered sodium hydrogen carbonate to a flask containing ethanoic acid. List two main observations, he must note in his note book, about the reaction that takes place. Also write chemical equation for the reaction.