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Which state of matter has neither a fixed shape nor a fixed volume and expands to fill the container completely?

easy Q2 of 15
General Science - Physics (Basics)
Which state of matter has neither a fixed shape nor a fixed volume and expands to fill the container completely?
ASolid
BGas
CLiquid
DBose-Einstein Condensate
Step-by-Step Solution
  1. Step 1: Recall properties of gases

    Gases have particles far apart and move freely, so they have no fixed shape or volume.
  2. Step 2: Eliminate other states

    Solids and liquids have fixed volume; Bose-Einstein condensate is a special state at near absolute zero, rarely asked.
  3. Final Answer:

    Gas → Option B
  4. Quick Check:

    Gas = no fixed shape or volume, fills container ✅
Quick Trick: Gas expands to fill any container completely.
Common Mistakes:
  • Mistaking liquids for gases due to fluidity but liquids have fixed volume.
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