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While reading the above paragraph, we learn that:

Review the verified answer and explanation for this Engineering College Admission Test (ECAT) past-paper question on CampusFin.

While reading the above paragraph, we learn that: Answer: Silicon which is used to fabricate integrated circuits is extracted from sand

Question context

This question is part of ⚡ Electrical Engineering within the broader 🛠️ Engineering Essentials subject and appears in the Engineering College Admission Test (ECAT) preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.