Chemistry - f-block Question with Solution | TestHub

Chemistryf-blockf-blockHard2 minQB
ChemistryHardsingle choice

Match the lanthanoid materials with their uses.

 

 

Column I

Column II

A. Lanthanoid oxide

1) Production of iron alloy

B. Lanthanoid

2) Television screen

C. Misch metal

3) Petroleum cracking

D. Magnesium-based alloy is a constituent of

4) Lanthanoid metal + iron

E. Mixed oxides of lanthanoids are employed

5) Bullets

 

6) X-ray screen

 

Options:

Answer:
B
Solution:

The printed NCERT mapping is A-b, B-a, C-d, D-e, E-c. Match each row of Column I to the corresponding entry in Column II.

Stream:JEESubject:ChemistryTopic:f-blockSubtopic:f-block
⏱ 2mℹ️ Source: QB

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