Question

10. Sodium hydrogen carbonate when added to hydrochloric acid evolves a gas.
Which of the following statements are true about the gas evolved?(i) It turns lime
water milky (ii) It exitnguishes a burning splinter(iii) It dissolves in a solution of
sodium hydroxide (iv) It has a pungent odour

(i) and (ii)
(I),(ii) and (iii)
(ii),(iii) and (iv)
(i) and (v)​

Answer 1

Answer:

the answer is option

i and iv

Explanation:

the gas is CO2

Answer 2

Option a

i and ii

Note - Co2 does not dissolve in NaOH