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Net charge on quartz present in sand is — Answer & Solution | Civexa

Soil Mechanics · Clay Mineralogy

Clay Mineralogy MCQ with answer and solution

Net charge on quartz present in sand is

Solution

Concept

Quartz is neutral

Step-by-step solution

1. Quartz (SiO₂) has no isomorphous substitution; net charge is zero.

Explanation

Sand grains are electrically neutral, unlike clay particles.

Why the other options are wrong

Negative values apply to clay minerals.

Shortcut

Quartz = 0.

Correct answer: D) 0

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