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Which of the following elements was unknown to ancient civilizations?

+2 votes

asked May 9, 2018 in Class 11 by kratos

Which of the following elements was unknown to ancient civilizations?

w) tin

x) aluminum

y) mercury

z) sulfur

the ecological balance
class-11
class-7
general scince
water
man and nature in india

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1 Answer

+3 votes

answered Nov 9, 2020 by kratos

Best answer

ALUMINUM was unknown to ancient civilizations.

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