The common positively charged colloids are given below:
Fe(OH)3 sol,
Cr(OH)3 sol,
Al(OH)3 sol,
Ca(OH)2 sol,
And also dyes like methylene blue and haemoglobin.
Salicylic acid is a stronger acid than benzoic acid. It is due to the fact that in salicylate ion (conjugate base of salicylic acid) intram...
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