railway RRB JE (CBT I + CBT II) Mock Test 2024 General Science Chemistry Chemical Reaction

समीकरण Na2CO3 + 2HCl → के उत्पादों की पहचान कीजिए।

1
CO2 + H2O 
2
Na2CO3 +CO2 + H2O 
3
NaCl + H2O
4
2NaCl + CO2 + H2O
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