General Science - Physics (Basics)
Which of the following indicates a chemical change?
Which of the following indicates a chemical change?
easy Q13 of 15
Step-by-Step Solution
Step 1: Identify chemical change signs
Chemical changes produce new substances with different properties.Step 2: Analyze options
Rust formation is a chemical change as iron reacts with oxygen forming a new compound (iron oxide). Others are physical changes.Final Answer:
Formation of rust on iron → Option CQuick Check:
Chemical change = Formation of rust ✅
Quick Trick: New substance formation indicates chemical change.
Common Mistakes:
MISTAKES- Confusing breaking glass as chemical change.
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