What is a reason why you have to make changes to the volume of the hydrogen for the presence of water?

What is a reason why you have to make changes to the volume of the hyd

1.	What is a reason why you have to make changes to the volume of the hydrogen for the presence of water?
Answer» <html><body><p><strong>Answer:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/hydrogen-22331" style="font-weight:bold;" target="_blank" title="Click to know more about HYDROGEN">HYDROGEN</a> Is <a href="https://interviewquestions.tuteehub.com/tag/produced-592947" style="font-weight:bold;" target="_blank" title="Click to know more about PRODUCED">PRODUCED</a> By The <a href="https://interviewquestions.tuteehub.com/tag/form-996208" style="font-weight:bold;" target="_blank" title="Click to know more about FORM">FORM</a> of acidic Gas changes into the colour to <a href="https://interviewquestions.tuteehub.com/tag/black-898687" style="font-weight:bold;" target="_blank" title="Click to know more about BLACK">BLACK</a> <a href="https://interviewquestions.tuteehub.com/tag/color-922196" style="font-weight:bold;" target="_blank" title="Click to know more about COLOR">COLOR</a> </p></body></html>