CBSE · Class 9 · Science · Matter in Our SurroundingsThe process of conversion of a solid directly into gas is called:
Step-by-Step Solution
Sublimation is the transition of a substance directly from the solid to the gas state, without passing through the intermediate liquid state (e.g., camphor or dry ice).
Detailed Options Breakdown
Option : Fusion
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Matter in Our Surroundings.
Option 1: Vaporisation
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Matter in Our Surroundings.
Option 2: Sublimation (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: Condensation
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Matter in Our Surroundings.
💡 Study Guide: This question tests core syllabus concepts from Matter in Our Surroundings. For formulas, key summaries, and mock exam reference guides, read the full Matter in Our Surroundings Revision Notes.