Question
Classify the following substances into acidic, basic and neutral group:
$HCl , NaCl , MgO , KCl , CaO , H _2 SO _4, HNO _3, H _2 O$ and $Na _2 CO _3$.
$HCl , NaCl , MgO , KCl , CaO , H _2 SO _4, HNO _3, H _2 O$ and $Na _2 CO _3$.
| Group | Substances |
| Acid | $HCl , H 2 SO 4, HNO 3$ |
| Base | $CaO , MgO , Na 2 CO 3$ |
| Neutral | $H 2 O , NaCl , KCl$ |
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