Manganese stains occur on mortar joints and are typically _____ .
A) green streaks
B) white, powdery looking stains
C) black and tarry stains
D) brown and have an oily look

Name: Manganese stains occur on mortar joints and are typically _____ . A) green streaks B) white, powdery looking stains C) black and tarry stains D) brown and have an oily look
Brand: Quizplus
Rating: 4.9 (29 reviews)

Question

Quizplus · Accepted Answer

Manganese stains occur on mortar joints and are typically brown and have an oily look.

Manganese Stains Occur on Mortar Joints and Are Typically _____