MCQ
निम्नांकित में कौन प्रबल भस्म है?
- A$\mathrm{NH}_{4} \mathrm{OH}$
- ✓$\mathrm{NaOH}$
- C$\mathrm{Mg}(\mathrm{OH})_{2}$
- D$\mathrm{Cu}(\mathrm{OH})_{2}$
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