General Science - Physics (Basics)
Which of the following changes is an example of a chemical change involving gas formation?
Which of the following changes is an example of a chemical change involving gas formation?
medium Q7 of 15
Step-by-Step Solution
Step 1: Identify chemical changes with gas formation
Chemical reactions producing gas bubbles indicate gas formation.Step 2: Analyze options
Reaction of baking soda with vinegar produces carbon dioxide gas. Rusting forms solid oxide, dissolving sugar and melting ice are physical changes.Final Answer:
Reaction of baking soda with vinegar → Option BQuick Check:
Chemical change with gas = Reaction of baking soda with vinegar ✅
Quick Trick: Gas bubbles indicate chemical reaction.
Common Mistakes:
- Confusing rusting or dissolving as gas-forming changes.
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