CTET 2 Math and Science 14 Dec 2024 Shift 1 Paper

(A) Sunita takes 0.5 g of Sodium Carbonate in a test-tube and adds 5 ml of Dilute Hydrochloric
acid.
(B) She passes the gas produced in the above reaction through Lime water.
Which of the following represents the chemical reactions taking place in (A) and (B)?