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Physics, Chemistry and Biology: Post your doubts here!

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Ethanol is an alcohol so its functional group is OH which dissociates into ions(partially) when an alcohol is added to water pH raises slightly from 7 causing an alkaline solution!
yeah around 7.33 or something
if you do doubt so much ,there is google at your disposal and you can also check with your teacher
 
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i have a problem in the transport chapter in bio plz does anyone have a simple explanation for the heart circulation
 
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how to draw 2 straight lines? (M/J 06 Q.3)
 

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