It isn't. Bubbling gas through limewater is a test for the presence of carbon dioxide. If the gas contains carbon dioxide, then the clear solution of limewater will turn a cloudy white.
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Combustibility is an intrinsic property of a material, determined by its chemical composition and structure. It refers to the material's ability to ignite and burn in the presence of oxygen.
Resazurin is pink in the presence of oxygen. It is used as an indicator to detect the presence of oxygen in cell cultures or microbiological media.
No, the hydroxyl group is not basic. It is a functional group that contains an oxygen atom bonded to a hydrogen atom, and its presence in a molecule does not make it basic. The basicity of a molecule is determined by the presence of basic functional groups such as amino groups.
In the presence of an inhibitor that prevents H from passing through ATP synthase complexes, photosynthesis processes that generate ATP would be impaired. However, other processes in the chloroplast, such as the light-dependent reactions that produce oxygen and NADPH, could still proceed as they are not directly reliant on ATP generated by ATP synthase complexes for their functioning. The overall efficiency of photosynthesis would be reduced due to the lack of ATP production.
Typically passing electricity through tap water will begin to separate the hydrogen and oxygen in H2O. Oxygen bubbles will begin to accumulate at the positive contact and hydrogen to accumulate at the negative contact.