CBSE · Class 7 · Social Science · Inside Our EarthWhich of the following is the main mineral component of the continental mass?
Step-by-Step Solution
The main mineral components of the continental mass are silica and alumina. Therefore, it is called sial (si-silica and al-alumina).
Detailed Options Breakdown
Option : Silica and Magnesium
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Inside Our Earth.
Option 1: Silica and Alumina (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Iron and Nickel
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Inside Our Earth.
Option 3: Iron and Magnesium
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Inside Our Earth.
💡 Study Guide: This question tests core syllabus concepts from Inside Our Earth. For formulas, key summaries, and mock exam reference guides, read the full Inside Our Earth Revision Notes.