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1. |
What is the relative rate of effusion of CO and CO2? |
A. |
CO is 1.25 times faster than CO2 |
B. |
CO is 3.75 times faster than CO2 |
C. |
CO is 1.25 times faster than CO |
D. |
Both diffuse at the same rate |
Answer: Option A
Explanation:
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2. |
Which of these gases diffuse more quickly than oxygen? |
Answer: Option B
Explanation:
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3. |
Which of the following is not considered as an intermolecular force between molecules? |
A. |
Coordinate covalent bonds |
B. |
Hydrogen bonds |
C. |
Debye forces |
D. |
London dispersion forces |
Answer: Option A
Explanation:
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4. |
The weakest (in strength) of the following intermolecular forces is |
A. |
Hydrogen bonding |
B. |
Vander Waals force |
C. |
Forces among the polar molecules |
D. |
Ionic bond |
Answer: Option B
Explanation:
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5. |
Ideal gasses have all the following characteristics except. |
A. |
Absence of intermolecular forces |
B. |
Collisions among the molecules of an ideal gas are perfectly elastic |
C. |
The molecules occupy no space |
D. |
All of the above are correct |
Answer: Option C
Explanation:
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6. |
Which of the following statements is true about plasma |
A. |
It may be the first state of matter |
B. |
It is not a phase transition |
C. |
It is a conductor of electricity |
D. |
All of the above |
Answer: Option D
Explanation:
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7. |
Which statement is correct |
Answer: Option D
Explanation:
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8. |
Under what conditions the gases deviate from the ideal behavior? |
A. |
High temperature |
B. |
Low temperature |
C. |
High pressure |
D. |
b and c |
Answer: Option D
Explanation:
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9. |
Which one has the lowest density at room temperature? |
Answer: Option C
Explanation:
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10. |
The introduction of Kelvin scale in thermometry is according to |
A. |
Boyles law |
B. |
Charles law |
C. |
Daltons law |
D. |
Grahams law |
Answer: Option B
Explanation:
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