Chemistry, asked by rajiblaskar75779, 10 months ago

1) give preparation of Cr2O3 .

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Answered by Mora22

$answer$

The oxide is also formed by the decomposition of chromium salts such as chromium nitrate, or by the exothermic decomposition of ammonium dichromate. The reaction has a low ignition temperature of less than 200 °C and is frequently used in “volcano” demonstrations

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