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Description :
Platinum is a chemical element with the chemical symbol Pt and an atomic number of 78.It is a dense, malleable, ductile, precious, gray-white transition metal.Platinum is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry.Choose the correct option for the given.
Question : 1 / 9
Platinum is an extremely rare metal,occurring at a concentration of only _____in the earth Crust.
- A) 0.05Ppm
- B) 0.005 Ppm
- C) 0.10 Ppm
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| Category : General in Quiz | Plays : 611 | Tags : equipments ,jewelry ,platinum |
