MCQ
Which of the following solutions are acidic?
- ACuSO4
- BCH3COONH4
- CAlCl3
- DNa2CO3
✓
Answer
- CuSO4
- AlCl3
Explanation:
(a) and (c) are acidic.
Because they are salts of strong acid H2SO4 and HCl and weak bases Cu(OH)2 and Al(OH)2 respectively.
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