Question

which alkali is commonly used to open a drain?​

Answer 1

Answer:

sodium hydroxide is commonly used to open drains

Answer 2

Answer:

Sodium hydroxide

Explanation:

this is because of the common main ingredient in this type of drain openers, caustic soda. Caustic soda is the mixture of late and sodium hydroxide .Both liquid and solid forms of strong alkali drain openers have sodium hydroxide.