Which of the following pairs of species is us | vedclass

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(A) During digestion,the stomach produces $HCl$,which can lead to acidity.Excess acidity in the stomach causes discomfort such as ulcers and gastric r

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$NaHCO_3$ and $Mg(OH)_2$

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(A) During digestion,the stomach produces $HCl$,which can lead to acidity.Excess acidity in the stomach causes discomfort such as ulcers and gastric reflux.Compounds that neutralize or reduce this acidity are known as antacids.Both $NaHCO_3$ (sodium bicarbonate) and $Mg(OH)_2$ (magnesium hydroxide) are commonly used as antacids because they react with excess $HCl$ to neutralize it.The reactions are:$NaHCO_3 + HCl 	o NaCl + H_2O + CO_2$$Mg(OH)_2 + 2HCl 	o MgCl_2 + 2H_2O$

Which of the following pairs of species is used in the preparation of antacid medicines?

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