A) \[CO\]
B) \[C{{O}_{2}}\]
C) hydrogen
D) water vapour
Correct Answer: C
Solution :
Generally soda-lime removes \[C{{O}_{2}}\] from an acid but in case of alkali formate it gives alkali carbonate and hydrogen. \[HCOONa+NaOH\xrightarrow{CaO}N{{a}_{2}}C{{O}_{3}}+{{H}_{2}}\]
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