A. calcium hypo oxychloride
A.
B. calcium oxychloride
B.
C. calcium chloride
C.
D. calcium chloro oxide
D.
Correct Answer: B
সঠিক উত্তর: B
Explanation
ব্যাখ্যা
Calcium oxychloride, also known as calcium hypochlorite, is a chemical compound with the formula CaOCl₂ or Ca(OCl)₂. It is commonly referred to as bleaching powder. It's primarily used as a bleaching agent in various industries, including textiles and pulp, and as a disinfectant for water and in laundry.