NEET Chemistry Hydrogen Questions Solved

Chemical A is used for water softening to remove temporary hardness. A reacts with sodium carbonate to generate caustic soda. When CO2 is bubbled through a solution of A, it turns cloudy. What is the chemical formula of A-

(A) CaCO3                             

(B) CaO

(C) CaOH2                           

(D) CaHCO32

Concept Videos :-

#3 | Hard & Soft Water

Concept Questions :-

Hard & Soft Water
To view Explanation, Please buy any of the course from below.
Complete Question Bank + Test Series
Complete Question Bank

Difficulty Level: