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# Choose the Correct Option from Given Below: When Sodium Hydrogen Carbonate is Added to Ethanoic Acid a Gas Evolves. Consider the Following Statements About the Gas Evolved? - Science

#### Question

MCQ

Choose the correct option from given alternative:
When sodium hydrogen carbonate is added to ethanoic acid a gas evolves. Consider the following statements about the gas evolved?
(A) It turns lime water milky.
(B) It is evolved with brisk effervescence.
(C) It has a smell of burning sulfur.
(D) It is also a by-product of respiration.

#### Options

• (A) and (B) only

• (B) and (D) only

• (A), (C) and (D)

• (A), (B) and (D)

#### Solution

When sodium carbonate is reacted with ethanoic acid it forms sodium ethanoate, water, and carbon dioxide gas. Carbon dioxide can be identified by the brisk effervescence. It turns lime water milky and is also a byproduct of respiration.

$\ce{CH3COOH + NaHCO3 -> CH3COONa + H2O + CO2}$

Hence, the correct answer is an option (A), (B) and (D).

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