Join 60,000+ competitive exam aspirants
or with email
Your Cart
SubtotalтВ╣0
TotalтВ╣0
Examoogle тАв User тАв info@examoogle.com тАв EE-2024-8821
Chapter 1 of 12 тАв Page 1 of 248ЁЯФТ Protected PDF тАв Watermarked
Join 60,000+ competitive exam aspirants
Which of the following does NOT affect the changes in the states of matter? A) Changing the kinetic energy in the particles of the matter B) Changing the temperature of the matter C) Changing the pressure on the matter D) Changing the colour of the matter
C
D
A
B
D
Changing the state of matter is a physical transformation dictated by the energy of particles and their intermolecular distances. The physical appearance or colour of a substance is an intrinsic property that does not influence the thermodynamic factors required for a phase transition.
Changing the state of matter is a physical transformation dictated by the energy of particles and their intermolecular distances. The physical appearance or colour of a substance is an intrinsic property that does not influence the thermodynamic factors required for a phase transition.
If you freeze water into ice or boil it into steam, the water remains water regardless of whether you add a drop of red food dye to it; the dye (colour) does not decide if the water should freeze or boil.
PT-KE (Pressure, Temperature, Kinetic Energy) drives states; Colour is just a 'look'.
Q=mc╬ФT тАФ Heat energy required for temperature change
Q=mL тАФ Latent heat required for phase change
KE=23тАЛkT тАФ Kinetic energy of gas particles
Phase transitions occur when the thermal energy (kinetic energy) overcomes the intermolecular forces of attraction, or when external pressure forces particles closer together. Adding or removing heat alters the average kinetic energy of particles (KE=23тАЛkT), while pressure affects the spatial arrangement of particles. Colour is determined by the absorption and reflection of light spectra and remains independent of these mechanical or thermal changes.
Temperature provides energy to break intermolecular bonds.
Pressure compresses particles to change density and phase.
Physical state is determined by particle arrangement and energy state.
Colour is an optical property, not a thermodynamic one.
Distillation processes based on boiling point.
Refrigeration cycles using pressure changes.
Standard phase transitions include melting, freezing, sublimation, and vaporization.
Option D (colour) is purely an optical property and irrelevant to phase equilibrium.
B is correct тАФ Changing the colour of matter does not influence its internal energy or intermolecular forces, and therefore, it does not induce changes in the physical state of matter.
Remember that intrinsic properties like density, boiling point, and melting point define a substance, while extrinsic variables like temperature and pressure are the catalysts for state changes.
Get instant step-by-step AI explanations, full shift Previous Year Papers (SSC GD, RRB, SSC JE), and regional rank analysis on the official Examoogle App.
Free Download тАв 100K+ Aspirants