ICSE Class 10 Chemistry 2014 Solved Paper

Show Para  Hide Para 
M is a metal above hydrogen in the activity series and its oxide has the formula M2O . This oxide when dissolved in water forms the corresponding hydroxide which is a good conductor of electricity. In the above context answer the following:
© examsiri.com
Question : 84 of 88
 
Marks: +1, -0
What kind of combination exists between M and O ?
Solution:
Electrovalent/Ionic compound is formed.
© examsiri.com
Go to Question: