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Grade: 11 

                        
From the given compounds if X no. of compounds are acidic in water. CaO,SO 2 ,SO 3 ,Fe 2 O 3 ,Cl 2 O 7 ,CO 2 ,Na 2 O find the value of X
3 years ago

Answers : (1)

Mohammed Imran
28 Points 
							X Should he 4 So2 , So3, CO2 ,cl2o7 - acidic in natureCao, Na2o - basic in natureFe2o3 don`t dissolve in water
3 years ago
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