NEET 2021 Model Test Paper 6

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Question : 48 of 180

Marks: +1, -0

Sodium looses its lustre on exposure to moist air due to formation of –

Na‌2O, NaOH and Na‌2CO‌3
Na‌2O and NaOH
Na‌2O and Na‌2CO‌3
NaOH and Na‌2CO‌3

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