A Solution of _____ Can Be Used to Remove Efflorescence

question 10

Multiple Choice

A solution of _____ can be used to remove efflorescence that cannot be removed by washing the wall with water.

• A) three parts vinegar to one part water
• B) two parts glycolic acid to one part water
• C) one part hydrochoric acid to five parts water
• D) one part muriatic acid to nine parts water

---

Definitions:

Logarithms

The level to which a base, usually 10 or e, is raised to generate a particular number.

Condense

In mathematics, to express a complex expression in a simpler form by combining like terms or using mathematical properties.

Properties

The characteristics or attributes that help define or identify mathematical objects, operations, or relationships.

Approximate

A value or quantity that is nearly but not exactly correct, often used when exact figures are not necessary or available.