23. The chemical formula of caustic soda is / कास्टिक सोडा का रासायनिक सूत्र है
- NaCl
- NaOH
Answer / उत्तर :-NaOH
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23. The chemical formula of caustic soda is / कास्टिक सोडा का रासायनिक सूत्र है
Answer / उत्तर :-NaOH
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