Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 General Science Chemistry Chemical Reaction

NaOH + HCl         > NaCl + H2O

In the given chemical reaction,

1
sodium is oxidized and oxygen is reduced
2
sodium is oxidized and chlorine is reduced
3
sodium and hydrogen are oxidized
4
None of them are oxidized or reduced
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