Test Index

ICSE Class 10 Chemistry 2013 Paper

Show Para  Hide Para 
Identify the gas evolved in the following reactions when:
© examsnet.com
Question : 7 of 84
Marks: +1, -0
A few crystals of KNO3\mathrm{KNO}_3 are heated in a hard glass test tube.
Solution:  
Oxygen (O2)(\mathrm{O}_2)
© examsnet.com
Go to Question: