Question

Give reasons why is platinum iridium alloy used in making prototype metre and kilogram

Answer 1

Answer:

The 10% iridium 90% platinum alloy was chosen in making prototype metre and kilogram because of its high density, corrosion resistance and stability.

Answer 2

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# The 10% iridium/90% platinum alloy was chosen in making prototype metre and kilogram because of its high density, corrosion resistance and stability. #

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