Write the reaction equations: sodium – sodium peroxide – sodium oxide – sodium hydroxide – sodium sulfate.

Sodium → sodium peroxide → sodium oxide → sodium hydroxide → sodium sulfate

Na → Na2O2 → Na2O → NaOH → Na2SO4

1) 2Na + O2 → Na2O2 (compound reaction);

2) Na2O2 + 2Na → 2Na2O (compound reaction);

3) Na2O + H2O → 2NaOH (compound reaction);

4) 2NaOH + H2SO4 → Na2SO4 + 2H2O (exchange reaction).



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