MCQ
Molarity of $4\% $ $NaOH$ solution is ......... $M$.
- A$0.1$
- B$0.5$
- C$0.01$
- ✓$1.0$
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${H_2}\left( g \right)\,1atm\,|\,{H^ + }\left( {1M} \right)\,||\,C{u^{2 + }}\left( {1M} \right)\,|\,Cu\left( s \right)$
which of the following statements is true