MP Board · Class 7 · Science · Physical and Chemical ChangesThe chemical name of rust is:
Step-by-Step Solution
Rust is chemically known as hydrated iron oxide (Fe2O3.xH2O), which is formed when iron reacts with oxygen and moisture present in the air.
Detailed Options Breakdown
Option : Iron sulphide
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Physical and Chemical Changes.
Option 1: Iron oxide (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Copper sulphate
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Physical and Chemical Changes.
Option 3: Iron carbonate
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Physical and Chemical Changes.
💡 Study Guide: This question tests core syllabus concepts from Physical and Chemical Changes. For formulas, key summaries, and mock exam reference guides, read the full Physical and Chemical Changes Revision Notes.