state gov RSMSSB Grade 4 (Group D) Mock Test Series 2025 General Science Chemistry Classification of Elements and Periodicity in Properties

कॉस्टिक पोटाश का रासायनिक सूत्र ________ है।

1
NH4OH
2
KOH
3
NaOH
4
Ca(OH)2
5
अनुत्तरित प्रश्न
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