CBSE · Class 7 · Science · Physical and Chemical ChangesWhich of the following is a feature of a chemical change?
Step-by-Step Solution
A fundamental feature of a chemical change is the formation of one or more new substances with different chemical properties.
Detailed Options Breakdown
Option : No new substance is formed
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Physical and Chemical Changes.
Option 1: One or more new substances are formed (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: It is always a temporary change
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Physical and Chemical Changes.
Option 3: Only physical state changes
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.