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Efflorescence of bricks is due to — Answer & Solution | Civexa

Building Materials · Bricks

Bricks MCQ with answer and solution

Efflorescence of bricks is due to

Solution

Concept

Cause of efflorescence

Step-by-step solution

1. Soluble salts in the clay migrate with moisture to the surface and crystallise.

Explanation

The salts are the cause; moisture carries them out.

Why the other options are wrong

Porosity only assists the movement.

Shortcut

Soluble salts.

Correct answer: A) Soluble salts present in clay for making bricks

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