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प्रश्न
Answer the following in one sentence :
Why is KCl solution neutral to litmus?
उत्तर
KCl, being salt of a strong acid (HCl) and a strong base (KOH), does not undergo hydrolysis. Hence, the KCl solution is neutral to litmus.
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Why is it necessary to add H2 SO4 while preparing the solution of CuSO4?
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