D And F Block Elements Question 133
Question: Platinum, palladium, iridium etc., are called noble metals because
[NCERT 1975; CPMT 1976]
Options:
A) Alfred Noble discovered them
B) They are inert towards many common reagents
C) They are shining lustrous and pleasing to look at
D) They are found in active state
Show Answer
Answer:
Correct Answer: B
Solution:
They are inert towards many common reagents.
BETA
