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Iron oxide imparts ________ colour to the bricks.(a) Red(b) White(c) Black(d) GreyI have been asked this question in final exam.Query is from Bricks topic in division Glass, Lime, Clay Products & Bricks of Construction & Building Materials

Answer»

The correct CHOICE is (a) RED

To explain I would say: The PERCENTAGE of iron oxide desirable in GOOD brick EARTH is 5-6%. Iron oxide imparts a red colour to the bricks.



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