Answer:
third sentences is correct i think
Nice question. A cow has 4 udders
Hypochlorous acid is a weak acid. The 
value for the dissociation of HOCl is 
Answer:Chromatography technique that uses paper sheets or strips as the adsorbent being the stationary phase through which a solution is made to pass is called paper chromatography. It is an inexpensive method of separating dissolved chemical substances by their different migration rates across the sheets of paper.
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