How do you compare by way of investigation thedifferent indigestion remedies to neutralize excess stomachacid?

One of my junior certificate investigation titles is 'Compare by way of investigation the abilities of different indigestion remedies to neutralize excess stomach acid [A pre-prepared stock solution of 0.15 M HCl may be used as ``stomach acid``.]' Please explain what this means and tell me how to do it as I... show more One of my junior certificate investigation titles is 'Compare by way of investigation the abilities of different indigestion remedies to neutralize excess stomach acid [A pre-prepared stock solution of 0.15 M HCl may be used as ``stomach acid``.]' Please explain what this means and tell me how to do it as I haven't got a clue! :]
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