RRB Technician Grade 3 practice question
The chemical formula of washing soda is:
From a RRB Technician Grade 3 Science practice set · Science
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Correct answer: (A) Na2CO3.10H2O
Washing soda's formula is Na2CO3.10H2O (sodium carbonate decahydrate).
हिंदी में प्रश्न
धोने का सोडा (वाशिंग सोडा) का रासायनिक सूत्र क्या है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) Na2CO3.10H2O
वाशिंग सोडा का सूत्र Na2CO3.10H2O है।
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