Question

21.
Which is the noble metal among the following:
O
Iron
o Lead
Platinum
O
O
Sodium​

Answer 1

Hola mate! here is your answer:

Solution:

Option C Platinum

Other noble metals are Gold and silver

Answer 2

✬ ANSWER ✬

➟ Which is noble metal among the following ?

Answer :- Platinum is a noble metal.

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• Name of noble metals (grouping is not strictly defined)

• Names with their symbols are Ruthenium (Ru), Rhodium (Rh), Palladium (Pd), Silver (Ag), Osmium (Os), Iridium (Ir), Platinum (Pt), and Gold (Au).

• The group of metals that resist oxidation and corrosion in moist air are called as Noble metals.

• Palladium (Pd) is the least noble metal.

• Gold (Au) is the most noble metal.

• Noble metals are used for making coins , jewellery , dental castings etc.