1.

Which of the following is a strong electrolyte ?

Answer»

`Ca(NO_(3))_(2)`
`HCN`
`H_(2)SO_(3)`
`NH_(4)OH`

Solution :A salt of STRONG ACID `(S_(A))` and strong base `(S_(B)), e.g., Ca(NO_(3))_(2)` is completely ionized and hence acts as a strong electrolyte.


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