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Which of the following is an example of sublimation?

medium Q5 of 15
General Science - Physics (Basics)
Which of the following is an example of sublimation?
ADry ice changing directly to carbon dioxide gas
BWater boiling to steam
CIce melting to water
DSteam condensing to water
Step-by-Step Solution
  1. Step 1: Define sublimation

    Sublimation is the direct change of a solid into a gas without passing through the liquid state.
  2. Step 2: Identify example

    Dry ice (solid CO2) changes directly into carbon dioxide gas, which is sublimation.
  3. Final Answer:

    Dry ice changing directly to carbon dioxide gas → Option A
  4. Quick Check:

    Sublimation example = Dry ice to gas ✅
Quick Trick: Dry ice sublimates at room temperature.
Common Mistakes:
MISTAKES
  • Confusing sublimation with melting or evaporation.
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