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

નીચેની પ્રક્રિયાની નીપજ શું છે?

2NaOH (aq) + Zn (s) →

1

Na₂ZnO₂ (s) અને H₂O (l)

2

ZnO₂ (s) અને N₂O (g)

3

Na₂ZnO₂ (s) અને H₂ (g)

4

ZnO₂ (s) અને H₂O (l)

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