Which metal oxide gives Mars its red colour?

Copper

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Iron

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Aluminium

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Oxygen

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Solution

The correct option is B
Iron

Iron while rusting i.e formation of its oxide becomes red coloured which is why Mars is red in colour.

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Similar questions

Question 20.1

Write the balanced chemical equation for the following reaction and identify the type of reaction.

Thermit reaction: Iron (III) oxide reacts with aluminium and gives molten iron and aluminium oxide.

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