{"id":4503,"date":"2026-04-09T07:41:47","date_gmt":"2026-04-09T07:41:47","guid":{"rendered":"https:\/\/ksquareinstitute.in\/blog\/?p=4503"},"modified":"2026-04-09T07:41:48","modified_gmt":"2026-04-09T07:41:48","slug":"top-5-states-of-matter-questions","status":"publish","type":"post","link":"https:\/\/ksquareinstitute.in\/blog\/top-5-states-of-matter-questions\/","title":{"rendered":"Top 5 States of Matter Questions for NEET (Important PYQs with Concepts)"},"content":{"rendered":"\n

Top States of Matter Questions for NEET<\/h2>\n\n\n\n

The chapter States of Matter (Gaseous and Liquid State)<\/em> is one of the most concept-heavy yet scoring topics in NEET Chemistry. Questions are frequently asked from gas laws, kinetic theory, real gases, and deviations from ideal behavior. Mastering the Top 5 States of Matter Questions<\/strong> ensures that you can handle both theoretical and numerical problems with confidence.<\/p>\n\n\n\n

Why States of Matter is Important for NEET<\/h2>\n\n\n\n

Every year, NEET includes at least one direct or numerical question from this chapter. Most questions are formula-based and NCERT-oriented. By practicing the Top 5 States of Matter Questions<\/strong>, you can secure easy marks while strengthening your understanding of thermodynamic behavior of gases.<\/p>\n\n\n\n

\"Top<\/figure>\n\n\n\n

Top 5 States of Matter Questions (Important PYQs)<\/h2>\n\n\n\n

Question 1: Ideal Gas Equation<\/h3>\n\n\n\n

The relationship between pressure, volume, and temperature for an ideal gas is given by:P<\/mi>V<\/mi>=<\/mo>n<\/mi>R<\/mi>T<\/mi><\/mrow>PV = nRT<\/annotation><\/semantics><\/math>PV=nRT<\/p>\n\n\n\n

Which of the following increases pressure when temperature is constant?<\/p>\n\n\n\n

A. Increase in volume
B. Decrease in moles
C. Decrease in volume
D. Increase in temperature<\/p>\n\n\n\n

Answer:<\/strong> C<\/p>\n\n\n\n

Explanation:<\/strong>
At constant temperature, pressure is inversely proportional to volume (Boyle\u2019s law). Decreasing volume increases pressure. This is one of the most fundamental concepts in the Top 5 States of Matter Questions<\/strong>.<\/p>\n\n\n\n

\n\n\n\n

Question 2: RMS Velocity of Gas<\/h3>\n\n\n\n

The root mean square velocity of gas molecules is given by:<\/p>\n\n\n\n

v<\/mi>r<\/mi>m<\/mi>s<\/mi><\/mrow><\/msub>=<\/mo>3<\/mn>R<\/mi>T<\/mi><\/mrow>M<\/mi><\/mfrac><\/msqrt><\/mrow>v_{rms} = \\sqrt{\\frac{3RT}{M}}<\/annotation><\/semantics><\/math>vrms\u200b=M3RT\u200b\u200b<\/p>\n\n\n\n

Which factor increases RMS velocity?<\/p>\n\n\n\n

A. Increase in molar mass
B. Decrease in temperature
C. Increase in temperature
D. Increase in pressure<\/p>\n\n\n\n

Answer:<\/strong> C<\/p>\n\n\n\n

Explanation:<\/strong>
RMS velocity is directly proportional to the square root of temperature. Higher temperature means faster molecular motion. This concept is frequently tested in Top 5 States of Matter Questions<\/strong>.<\/p>\n\n\n\n

\n\n\n\n

Question 3: Real Gas Behavior<\/h3>\n\n\n\n

Real gases deviate from ideal behavior at:<\/p>\n\n\n\n

A. High temperature and low pressure
B. Low temperature and high pressure
C. Low temperature and low pressure
D. High temperature and high pressure<\/p>\n\n\n\n

Answer:<\/strong> B<\/p>\n\n\n\n

Explanation:<\/strong>
At low temperature and high pressure, intermolecular forces and molecular volume become significant, causing deviation. This is a key conceptual point in the Top 5 States of Matter Questions<\/strong>.<\/p>\n\n\n\n

\n\n\n\n

Question 4: Compressibility Factor<\/h3>\n\n\n\n

Compressibility factor (Z) is defined as:Z<\/mi>=<\/mo>P<\/mi>V<\/mi><\/mrow>n<\/mi>R<\/mi>T<\/mi><\/mrow><\/mfrac><\/mrow>Z = \\frac{PV}{nRT}<\/annotation><\/semantics><\/math>Z=nRTPV\u200b<\/p>\n\n\n\n

For an ideal gas, Z is:<\/p>\n\n\n\n

A. 0
B. 1
C. Greater than 1
D. Less than 1<\/p>\n\n\n\n

Answer:<\/strong> B<\/p>\n\n\n\n

Explanation:<\/strong>
For ideal gases, Z = 1 at all conditions. Deviations occur when Z \u2260 1. Understanding this is essential for solving Top 5 States of Matter Questions<\/strong>.<\/p>\n\n\n\n

\n\n\n\n

Question 5: Liquefaction of Gases<\/h3>\n\n\n\n

Which condition favors liquefaction of gases?<\/p>\n\n\n\n

A. High temperature and low pressure
B. Low temperature and high pressure
C. High temperature and high pressure
D. Low temperature and low pressure<\/p>\n\n\n\n

Answer:<\/strong> B<\/p>\n\n\n\n

Explanation:<\/strong>
Lowering temperature reduces kinetic energy, and increasing pressure brings molecules closer, aiding liquefaction. This is a commonly asked concept in Top 5 States of Matter Questions<\/strong>.<\/p>\n\n\n\n

\n\n\n\n

Key Concepts You Must Remember<\/h2>\n\n\n\n

To master the Top 5 States of Matter Questions<\/strong>, you should focus on gas laws (Boyle\u2019s, Charles\u2019, Avogadro\u2019s), ideal gas equation, kinetic theory, and real gas behavior. Remember that deviations occur due to intermolecular forces and finite molecular volume. Liquefaction and critical temperature are also important NCERT-based topics.<\/p>\n\n\n\n

\n\n\n\n

Additional Practice Questions (Concept-Based Rapid Revision)<\/h2>\n\n\n\n

Question 6<\/h3>\n\n\n\n

Which gas law states that volume is directly proportional to temperature?<\/p>\n\n\n\n

Answer:<\/strong> Charles\u2019 law<\/p>\n\n\n\n

\n\n\n\n

Question 7<\/h3>\n\n\n\n

What happens to pressure when volume doubles at constant temperature?<\/p>\n\n\n\n

Answer:<\/strong> Pressure becomes half<\/p>\n\n\n\n

\n\n\n\n

Question 8<\/h3>\n\n\n\n

Which gas deviates most from ideal behavior?<\/p>\n\n\n\n

Answer:<\/strong> Gas with strong intermolecular forces<\/p>\n\n\n\n

\n\n\n\n

Question 9<\/h3>\n\n\n\n

What is critical temperature?<\/p>\n\n\n\n

Answer:<\/strong> Temperature above which gas cannot be liquefied<\/p>\n\n\n\n

\n\n\n\n

Question 10<\/h3>\n\n\n\n

Which property depends only on temperature?<\/p>\n\n\n\n

Answer:<\/strong> Average kinetic energy<\/p>\n\n\n\n

\n\n\n\n

Additional Practice Questions with Solutions<\/h2>\n\n\n\n

Question 11<\/h3>\n\n\n\n

Why do real gases behave ideally at high temperature?<\/p>\n\n\n\n

Solution:<\/strong>
At high temperature, kinetic energy dominates intermolecular forces, making gases behave ideally.<\/p>\n\n\n\n

\n\n\n\n

Question 12<\/h3>\n\n\n\n

Why does pressure increase when temperature increases?<\/p>\n\n\n\n

Solution:<\/strong>
Higher temperature increases molecular collisions with container walls, increasing pressure.<\/p>\n\n\n\n

\n\n\n\n

Question 13<\/h3>\n\n\n\n

Why are lighter gases faster?<\/p>\n\n\n\n

Solution:<\/strong>
RMS velocity is inversely proportional to square root of molar mass.<\/p>\n\n\n\n

\n\n\n\n

Question 14<\/h3>\n\n\n\n

Why is liquefaction difficult at high temperature?<\/p>\n\n\n\n

Solution:<\/strong>
Molecules have high kinetic energy, preventing them from coming close enough to condense.<\/p>\n\n\n\n

\n\n\n\n

Question 15<\/h3>\n\n\n\n

Why is Z less than 1 for some gases?<\/p>\n\n\n\n

Solution:<\/strong>
Attractive forces dominate, reducing effective pressure.<\/p>\n\n\n\n

\n\n\n\n

Final Revision Tips<\/h2>\n\n\n\n

To excel in the Top 5 States of Matter Questions<\/strong>, practice numerical problems regularly and memorize key formulas. Focus on conceptual clarity rather than rote learning. Revisit the Top 5 States of Matter Questions<\/strong> multiple times to ensure speed and accuracy in NEET.<\/p>\n\n\n\n

Consistent practice of the Top 5 States of Matter Questions<\/strong> will help you confidently solve both theoretical and numerical questions in the exam.<\/p>\n","protected":false},"excerpt":{"rendered":"

Top States of Matter Questions for NEET The chapter States of Matter (Gaseous and Liquid State) is one of the most concept-heavy yet scoring topics in NEET Chemistry. Questions are frequently asked from gas laws, kinetic theory, real gases, and deviations from ideal behavior. Mastering the Top 5 States of Matter Questions ensures that you […]<\/p>\n","protected":false},"author":1,"featured_media":4490,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[127,69],"tags":[883,798,877,884,882],"class_list":["post-4503","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-free-study-material","category-chemistry","tag-gas-laws-questions-neet","tag-kinetic-theory-neet","tag-neet-chemistry-important-questions","tag-real-gas-behavior-neet","tag-states-of-matter-neet"],"blocksy_meta":{"page_structure_type":"type-1","styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"_links":{"self":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/4503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/comments?post=4503"}],"version-history":[{"count":1,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/4503\/revisions"}],"predecessor-version":[{"id":4504,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/4503\/revisions\/4504"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/media\/4490"}],"wp:attachment":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/media?parent=4503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/categories?post=4503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/tags?post=4503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}