Sodium hydrogen carbonate, when added to acetic acid, evolves a gas. Which of the following statements are true about the gas evolved?
  1. It turns lime water milky
  2. It extinguishes a burning splinter
  3. It dissolves in a solution of sodium hydroxide
  4. It has a pungent odour
(a) (i) and (ii)
(b) (i), (ii) and (iii)
(c) (ii), (iii) and (iv)
(d) (i) and (iv)

AcademicChemistryNCERTClass 10

Correct Answer: (a) (i) and (ii) 

Explanation: The reaction between Sodium hydrogen carbonate and acetic acid leads to the evolution of carbon-dioxide gas. Carbon dioxide turns the lime water milky and extinguishes a burning splinter.
Updated on 10-Oct-2022 13:27:12