A) \[NaHC{{O}_{3}}\] and \[Mg{{(OH)}_{2}}\]
B) \[N{{a}_{2}}C{{O}_{3}}\] and \[Ca{{(HC{{O}_{3}})}_{2}}\]
C) \[Ca{{(HC{{O}_{3}})}_{2}}\] and \[Mg{{(OH)}_{2}}\]
D) \[Ca{{(OH)}_{2}}\] and \[NaHC{{O}_{3}}\]
Correct Answer: A
Solution :
Intestine is acidic due to formation of \[HCl\] during digestion. Excessive acidity in the intestine creates problem of intestinal ulcer gastric reflux and oesophagitis. The compound which reduce or neutralise acidity are called antacids. \[NaHC{{O}_{3}}+HCl\to NaCl+{{H}_{2}}O+C{{O}_{2}}\] \[Mg{{(OH)}_{2}}+2HCl\to MgC{{l}_{2}}+2{{H}_{2}}O\]
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