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Chemistry
Platinum, palladium and iridium are called ‘noble metals’ because
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Q. Platinum, palladium and iridium are called ‘noble metals’ because
JIPMER
JIPMER 2010
The d-and f-Block Elements
A
they were discovered by Alfred Nobel
9%
B
they are lustrous
0%
C
they are inert
87%
D
they are found in active state.
4%
Solution:
These elements are called noble metals because they are not acted upon by even strong acids and bases.