Bicarbonate Indicator

A bicarbonate indicator is a PH indicator sensitive enough to show a colour change as the concentration of the gas carbon dioxide increases. The indicator is used in photosynthesis and respiration experiments to find out whether carbon dioxide is being liberated. The initial red colour changes to yellow as the pH becomes more acidic. Carbon dioxide
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Bicarbonate indicator

A bicarbonate indicator (hydrogencarbonate indicator) is a pH indicator sensitive enough to show a colour change as the concentration of carbon dioxide gas increases. The indicator is used in photosynthesis and respiration experiments to find out whether carbon dioxide is being liberated. It is also used to test the carbon dioxide content during g
Found on http://en.wikipedia.org/wiki/Bicarbonate_indicator
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