Given below are two statements:
 
Statement I:  The mass of a gas dissolved in a given mass of a solvent at any temperature is proportional to the pressure of the gas above the solvent. 
Statement II:  The rate of dissolution of sugar is equal to the rate of crystallization of sugar at equilibrium. 
 

In light of the above statements, choose the correct answer from the options given below: 
 
1.  Both statement I and statement II are true. 
2.  Both statement I and statement II are false. 
3.  Statement I is true but statement II is false. 
4.  Statement I is false but statement II is false. 
Subtopic:  Concentration Terms & Henry's Law |
 82%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Match List I with List II
List I 
Concentration expression
List II 
Uses
 
A. Mass percentage I. Medicine
B. Volume percentage II. Concentration of pollutants
C. Mass by volume percentage III. Industrial chemicals
D. Parts per million IV. Liquid solutions

Choose the correct answer from the options given below:
 
Options: A B C D
1. III IV II I
2. III II IV I
3. III IV I II
4. III I II IV


Subtopic:  Concentration Terms & Henry's Law |
 78%
From NCERT
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Assertion (A): The people living at high altitudes or climbers have a high concentration of oxygen in the blood and tissues. 
Reason (R): At high altitudes, the partial pressure of oxygen is less than that of the ground level.
 
1. Both A and R are correct and R is the correct explanation of A. 
2. Both A and R are correct but R is not the correct explanation of A. 
3. A is correct but R is not correct. 
4. A is not correct but R is correct.


Subtopic:  Concentration Terms & Henry's Law |
 66%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

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The solubility of potassium nitrate in water increases with temperature. A saturated solution of potassium nitrate at 80 °C is cooled to 25 °C in a closed container. Which of the following statements is/are correct?
(A) The mass of undissolved potassium nitrate will increase.
(B)  The concentration of the potassium nitrate solution remains the same.
(C) The total mass of solvent present remains the same.
 
1. B and C only 2. A and C only
3. A only 4. B only
Subtopic:  Concentration Terms & Henry's Law |
 61%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh