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Test: Equilibrium in Physical Processes(1 July) - JEE MCQ


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10 Questions MCQ Test - Test: Equilibrium in Physical Processes(1 July)

Test: Equilibrium in Physical Processes(1 July) for JEE 2024 is part of JEE preparation. The Test: Equilibrium in Physical Processes(1 July) questions and answers have been prepared according to the JEE exam syllabus.The Test: Equilibrium in Physical Processes(1 July) MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Equilibrium in Physical Processes(1 July) below.
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Test: Equilibrium in Physical Processes(1 July) - Question 1
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At what temperature does water and water vapor reach equilibrium at atmospheric pressure?

Detailed Solution for Test: Equilibrium in Physical Processes(1 July) - Question 1
Water and water vapor reach equilibrium at 100°C at atmospheric pressure (1.013 bar). This is known as the normal boiling point of water.
Test: Equilibrium in Physical Processes(1 July) - Question 2
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What is the condition for a system to be in equilibrium?

Detailed Solution for Test: Equilibrium in Physical Processes(1 July) - Question 2
In equilibrium, the key characteristic is that the temperature remains constant, as mentioned in the text. This is true for systems undergoing phase transformations, such as solid-liquid equilibrium, liquid-vapour equilibrium, and solid-vapour equilibrium.
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Test: Equilibrium in Physical Processes(1 July) - Question 3
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What is the equilibrium condition for a system in Solid-Liquid Equilibrium?

Detailed Solution for Test: Equilibrium in Physical Processes(1 July) - Question 3
In Solid-Liquid Equilibrium, the temperature remains constant, indicating that the system is in equilibrium. This is also known as the normal melting point.
Test: Equilibrium in Physical Processes(1 July) - Question 4
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What is the equilibrium condition in Liquid-Vapour Equilibrium?
Detailed Solution for Test: Equilibrium in Physical Processes(1 July) - Question 4
In Liquid-Vapour Equilibrium, the rate of evaporation is equal to the rate of condensation, which signifies equilibrium. Initially, the rate of evaporation is higher, but it decreases with time as condensation occurs.
Test: Equilibrium in Physical Processes(1 July) - Question 5
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Which process involves the phase transformation of solid to vapor?
Detailed Solution for Test: Equilibrium in Physical Processes(1 July) - Question 5
Solid-Vapour Equilibrium involves the transformation of a solid into vapor, as seen in examples like solid iodine subliming to give iodine vapor.
Test: Equilibrium in Physical Processes(1 July) - Question 6
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What is the equilibrium condition for a liquid at one atmospheric pressure?
Detailed Solution for Test: Equilibrium in Physical Processes(1 July) - Question 6
At one atmospheric pressure (1.013 bar), the equilibrium condition for a liquid is that its boiling point is 100°C. This is known as the normal boiling point of the liquid.
Test: Equilibrium in Physical Processes(1 July) - Question 7
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What happens to the rate of condensation in Liquid-Vapour Equilibrium over time?
Detailed Solution for Test: Equilibrium in Physical Processes(1 July) - Question 7
In Liquid-Vapour Equilibrium, the rate of condensation decreases with time as the system approaches equilibrium. Initially, the rate of evaporation exceeds condensation, but they become equal at equilibrium.
Test: Equilibrium in Physical Processes(1 July) - Question 8
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Which of the following substances exhibits Solid-Liquid Equilibrium at the normal melting point?
Detailed Solution for Test: Equilibrium in Physical Processes(1 July) - Question 8
Water exhibits Solid-Liquid Equilibrium at its normal melting point (0°C or 273K), as mentioned in the text. This is when ice and water coexist in equilibrium.
Test: Equilibrium in Physical Processes(1 July) - Question 9
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In what type of system is it not possible to reach equilibrium?
Detailed Solution for Test: Equilibrium in Physical Processes(1 July) - Question 9
In an open system, it is not possible to reach equilibrium because molecules can disperse into the surroundings, making it challenging to achieve a balance between the rates of evaporation and condensation.
Test: Equilibrium in Physical Processes(1 July) - Question 10
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What is the key factor that determines the boiling point of a liquid?
Detailed Solution for Test: Equilibrium in Physical Processes(1 July) - Question 10
The boiling point of a liquid depends on the atmospheric pressure. Different liquids have different boiling points at the same pressure.
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