UPSC NDA II 2014 General Ability Paper

© examsiri.com
Question : 65 of 150
 
Marks: +1, -0
How many grams of MgCO3 contain 24.00 g of oxygen? (The molar mass of MgCO3 is 84.30gmol−1)
[NDA II 2014]
Go to Question: