Question

An element 'A' is the major constituent of haemoglobin, 'A reacts with dilute sulphuric acid and liberates a gas 'B'. The gas 'B' is
1)CO2
2)O2
3)H2
4)H2S​

Answer 1

Answer:

Hey Bro Here Is Your Answer

Explanation:

Element A Iron (Fe) The H2 Gas Is Liberated

Answer 2

Answer:

the answer of this question in is first option that is CO2