Chemistry ยท Science General
States of Matter
2,682 Questions
States of matter questions explore physical changes, evaporation, phase transitions, and the properties of liquids and gases. Topics cover density, cryosurgery, heavy water, and electrolytes. This foundational chemistry topic frequently appears in general science sections of SSC and railway exams.
Phase change mechanismsEvaporation and temperature effectsProperties of liquidsPhysical versus chemical changesElectrolytes and heavy water
States of Matter Questions
What is the main component of silicone paint?
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Oil
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Water
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Silicone resin
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Pigment
C
Correct answer
Explanation
Silicone paint is a type of paint that uses silicone resin as its main binder. The silicone resin is mixed with pigments to create the desired color.
What is the main component of chlorinated rubber paint?
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Oil
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Water
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Chlorinated rubber
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Pigment
C
Correct answer
Explanation
Chlorinated rubber paint is a type of paint that uses chlorinated rubber as its main binder. The chlorinated rubber is mixed with pigments to create the desired color.
Which of the following is NOT a fundamental state of matter?
D
Correct answer
Explanation
Plasma, while often referred to as the fourth state of matter, is not considered a fundamental state in the traditional sense. It is a highly ionized gas composed of free electrons and ions, typically encountered in extreme conditions such as high temperatures or electrical discharges.
Which of the following is an example of a green solvent?
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Water
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Methanol
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Dichloromethane
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Benzene
A
Correct answer
Explanation
Water is a green solvent due to its non-toxicity, abundance, and low environmental impact.
What is the concept of phase transitions in statistical mechanics?
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The abrupt change in the physical properties of a system at a critical temperature or pressure.
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The gradual change in the physical properties of a system as temperature or pressure changes.
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The change in the state of a system from one phase to another, such as from solid to liquid.
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The change in the energy of a system as temperature or pressure changes.
A
Correct answer
Explanation
Phase transitions involve sudden changes in the physical properties of a system, such as melting, freezing, or boiling, and are characterized by discontinuities in thermodynamic quantities.
What is the phenomenon in which neutrinos change from one flavor to another as they propagate?
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Neutrino Mixing
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Neutrino Oscillations
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Neutrino Decay
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Neutrino Scattering
B
Correct answer
Explanation
Neutrino oscillations refer to the transformation of neutrinos from one flavor (electron, muon, or tau) to another as they travel through space.
What is the chemical formula for water?
A
Correct answer
Explanation
The chemical formula for water is H2O, indicating that a water molecule consists of two hydrogen atoms and one oxygen atom.
What repels the water on the plate?
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Grease
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Oil
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Alcohol
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Acetone
A
Correct answer
Explanation
The water repels the grease, so the ink only adheres to the areas that were drawn on with the crayon or ink.
What is the term used to describe the process by which water vapor in the atmosphere changes into liquid water or ice particles?
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Evaporation
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Condensation
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Precipitation
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Transpiration
B
Correct answer
Explanation
Condensation is the process by which water vapor in the atmosphere changes into liquid water or ice particles.
What is the term used to describe the process by which liquid water or ice particles in the atmosphere change into water vapor?
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Evaporation
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Condensation
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Precipitation
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Transpiration
A
Correct answer
Explanation
Evaporation is the process by which liquid water or ice particles in the atmosphere change into water vapor.
What is the main component of acrylic paint?
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Oil
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Water
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Acrylic resin
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Pigments
C
Correct answer
Explanation
Acrylic paint is made from acrylic resin, which is a synthetic polymer. This resin gives acrylic paint its fast-drying and water-resistant properties.
What is the main component of oil paint?
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Oil
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Water
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Acrylic resin
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Pigments
A
Correct answer
Explanation
Oil paint is made from oil, which is a natural or synthetic substance. This oil gives oil paint its slow-drying and rich, vibrant colors.
What is the main component of watercolor paint?
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Oil
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Water
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Acrylic resin
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Pigments
B
Correct answer
Explanation
Watercolor paint is made from water, which is the main solvent for the pigments. This water-based paint is known for its transparency and ability to create light, airy effects.
What is the main component of tempera paint?
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Oil
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Water
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Egg yolk
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Pigments
C
Correct answer
Explanation
Tempera paint is made from egg yolk, which is the main binder. This binder gives tempera paint its fast-drying and opaque properties.
What is the main component of fresco paint?
C
Correct answer
Explanation
Fresco paint is made from lime, which is the main binder. This binder gives fresco paint its durability and resistance to moisture.