A student took the following samples to find out their pH using pH paper . the teacher remarked that he will not be able to find the pH of one samples because it was not taken in proper form .the teacher was referring to : (a) dil.HCL (b) lemon juice (c) solid sodium bicarbonate (d) soap solution
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solid sodium bicarbonate
korosuke:
u have to make a solution for ph test..
yes
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