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Air and Atmosphere — CHEMISTRY STD 7 — Question

ICSE BoardEnglish MediumSTD 7CHEMISTRYAir and Atmosphere1 Mark
Question
Statement given below is incorrect. Write the correct statement :
Oxygen is prepared in laboratory by treating hydrogen oxide with manganese dioxide.
✓

Answer

Oxygen is prepared in laboratory by treating hydrogen peroxide with manganese dioxide.

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