Which chemical is commonly used in household bleach?

Which chemical is commonly used in household bleach?

گھریلو بلیچ میں عام طور پر کون سا کیمیکل استعمال ہوتا ہے؟
Explanation

Sodium hypochlorite (NaClO), usually as a 3–6% solution in water

It is usually called "liquid bleach" or just "bleach"

Sodium hypochlorite acts as a powerful disinfectant and stain remover, making it effective for various cleaning and sanitizing purposes.