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Platinum, Palladium and Iridium are called noble metals because (A) Alfred Nobel discovered them (B) They are shining lustrous and pleasing to look at (C) They are found in native state (D) They are inert towards many common reagents.

Platinum, Palladium and Iridium are called noble metals because
(A) Alfred Nobel discovered them
(B) They are shining lustrous and pleasing to look at
(C) They are found in native state
(D) They are inert towards many common reagents.

Grade:12

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