A student takes NA2CO3 powder in a test tube and pour some drops ofacetic acid over it .write any two observations that will see.

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Solution

1)

bubbles of colourless and odourless gas

2)spontaneous reaction with effervescence

.

Sodium carbonate on reacting with acetic acid forms sodium acetate and releases carbon dioxide in the process, which is a colourless and odourless gas.

Both solid sodium carbonate and its aqueous solution will react with acetic acid.

Following is the chemical equation for the reaction

2CH3COOH + Na2CO3 → 2CH3COONa + H2O + CO2

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