state gov RSMSSB Grade 4 (Group D) Mock Test Series 2025 General Science Chemistry

धोने के सोडा का रासायनिक सूत्र क्या है?

1
Na2SO4.10H2O
2
NaHCO3
3
NA2CO3.10H2O
4
Ca(OH)2
5
अनुत्तरित प्रश्न
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