General Science - Physics (Basics)
Why does adding salt to water increase its boiling point during cooking?
Why does adding salt to water increase its boiling point during cooking?
hard Q9 of 15
Step-by-Step Solution
Step 1: Understand boiling point elevation
Adding a solute like salt to water lowers its vapor pressure, requiring higher temperature to boil.Step 2: Analyze options carefully
Salt does not increase vapor pressure; it lowers vapor pressure causing boiling point elevation.Step 3: Clarify correct explanation
Boiling point elevation occurs because vapor pressure decreases, so water boils at higher temperature.Final Answer:
Salt causes boiling point elevation by lowering vapor pressure → Option AQuick Check:
Boiling point elevation = salt lowers vapor pressure ✅
Quick Trick: Boiling point elevation occurs due to vapor pressure lowering by solute.
Common Mistakes:
- Confusing vapor pressure increase with boiling point elevation.
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