molecule model litmus red state

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Molecule model of Litmus in red state Royalty Free Stock Photo
Molecule model of Litmus in blue state. Royalty Free Stock Photo
   
   
   
   
   
Molecule model of Litmus in red state
   
   
   
   
   
   
   
Molecule model of Litmus in red state with a piece of red litmus paper on a white plate. White is Hydrogen, black is Carbon, red is Oxygen, and blue is Nitrogen


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