Questions
The following solid exists in the form of ions
detailed solution
Correct option is D
Spray pyrolysis was used to build thin films of :Eu on glass substrates. At growth temperatures between 300 and 500°C, the anomalous decrease of Eu3+ to Eu2+ in as-grown thin films was discovered. By annealing films in air, blue cathodoluminescence was discovered, coinciding with additional anomalous Eu ion reduction and compound crystallisation.
Talk to our academic expert!
Practice More Questions
Easy Questions
Moderate Questions
Difficult Questions
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
