Correct Answer: Gases have a definite shape.
Subject: 2025
Explanation: <b>Key Fact</b><br>The source-marked answer is that gases do not have a definite shape.<br><br><b>Additional Info</b><br>Topic: States of Matter. The correct option is <b>D</b> — Gases have a definite shape..<br><br><b>Why the other options are wrong</b><br><b>Option A</b>: Particles in gases are far apart. — not the option marked correct for this question.<br><b>Option B</b>: Gases are highly compressible. — not the option marked correct for this question.<br><b>Option C</b>: Particles in gases move randomly at high speed. — not the option marked correct for this question.<br><br><b>Exam Trick</b><br>Identify the exact concept tested, then eliminate options that contradict the definition, formula, chronology or fact in the question.<br><br><b>Final Answer</b><br>Option D — Gases have a definite shape..