Magnesium hydroxide is the active reagent in antacid tablets. (i) Explain the effect of chewing the antacid tablets instead of swallowing the whole tablet. (ii)Starting from aluminium...

      

Magnesium hydroxide is the active reagent in antacid tablets.
(i) Explain the effect of chewing the antacid tablets instead of swallowing the whole tablet.
(ii)Starting from aluminium sulphate, describe how you would obtain aluminium hydroxide

  

Answers


Kavungya
i)Chewing breaks the tablet hence increasing surface area
for acid action // neutralization reaction.

ii) Rent with ammonia solution to obtain alumunium hydroxide solid and ammonium sulphate ; filter to obtain aluminium hydroxide ; wash to get pure aluminium hydroxide // sodium hydroxide may be used but amount must be stated (Little amount).
Kavungya answered the question on March 28, 2019 at 13:52


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