Class 10 Science Metals and Non-metals Mix Examples - Metals and Non-metals

Easy

What is the chemical formula of rust?

A
$Fe_2O_3$
B
$Fe_2O_3 \cdot xH_2O$
C
$FeO \cdot xH_2O$
D
$Fe_3O_4$

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Class 10 Questions

Class 10

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Metals and Non-metals

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Mix Examples - Metals and Non-metals

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