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Group 14 or carbon family

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By Expert Faculty of Sri Chaitanya
Question

Substance                                        Colour imparted

Ferric oxide                                          Yellow

Chromic oxide                                      Green

Cobalt oxide                                          Blue

Selenium metal                                     Red

Manganese oxide                                Purple

Cuprous oxide                                     Red

Cadmium sulphide                              Yellow

Nickel oxide                                        Black                

Cobalt oxide                                        Black

 Manganese oxide                               Blue

 

How many of the compounds and they colors are mis-matched

Moderate
Solution

All are correct ,

 Manganese oxide -Black


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