Platinum, Palladium, Indium, etc. are ca...

Platinum, Palladium, Indium, etc. are called noble metals because:

A

Alfred nobel discovered them

B

They are inert towards many common reagents

C

The are shining, lustrous and pleasing to look at

D

They are found in native state

Text Solution

Verified by Experts

The correct Answer is:

B

Promotional Banner

Promotional Banner

Topper's Solved these Questions

EQUILIBRIUM
MBD PUBLICATION|Exercise QUESTION BANK|584 Videos
GENERAL PRINCIPLES OF ISOLUTION OF ELEMENTS
MBD PUBLICATION|Exercise QUESTION BANK|200 Videos

MBD PUBLICATION-GENERAL PRINCIPLES OF ISOLATION OF ELEMENTS-QUESTION BANK

Maganetic separtion is used for increasing concentration of the:
Text Solution
|
Which is not an iron ore?
Text Solution
|
Platinum, Palladium, Indium, etc. are called noble metals because:
Text Solution
|
Purest form of iron is called as
Text Solution
|
Sapphire is a mineral of :
Text Solution
|
The main ore of zinc is:
Text Solution
|
Calcium occurs in nature as:
Text Solution
|
The metal which cannot be extracted by smelting process?
Text Solution
|
Which does not contain aluminium:
Text Solution
|
Which is incorrect as the uses of limestone in industries are concerne...
Text Solution
|
Which is not a silver ore ?
Text Solution
|
Iron is made inactive or passive by:
Text Solution
|
The mineral of copper is:
Text Solution
|
Granulated zinc is obtained by:
Text Solution
|
After partial roasting, the sulphide of copper is reduced by:
Text Solution
|
Which process is not used in purification of bauxite ?
Text Solution
|
Electrolysis of fused carnallite gives:
Text Solution
|
Which is not an ore of leads ?
Text Solution
|
Coating of zinc on iron objects is commonly known as:
Text Solution
|
In serpek's process, by product obtained in the purification of bauxit...
Text Solution
|