Entry Test MCQ :: Diagnostic Test
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11. |
A method of separation of components from its solution using Distribution law is |
A. |
Sublimation |
B. |
Crystallisation |
C. |
Solvent extraction |
D. |
Distillation |
Answer: Option C
Explanation:
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12. |
A real gas obeying vander waals equation will resemble the ideal gas if |
A. |
Both a and b are small |
B. |
Both a and b are large |
C. |
a is small and b is large |
D. |
a is large and b is small |
Answer: Option A
Explanation:
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13. |
Equal masses of methane and oxygen are mixed in empty container at 250?(C) The fraction of total pressure exerted by oxygen is |
A. |
one / seventeen |
B. |
sixteen / seventeen |
C. |
one / three |
D. |
two / three |
Answer: Option C
Explanation:
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14. |
Plasma is used in |
A. |
Fluorescent bulb |
B. |
Neon signs |
C. |
Lasers |
D. |
All of these |
Answer: Option D
Explanation:
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15. |
The molecules of CO2 in dry ice form |
A. |
Ionic crystal |
B. |
Covalent crystal |
C. |
Molecular crystal |
D. |
Any type of crystal |
Answer: Option C
Explanation:
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16. |
Which of the following is pseudo solid |
Answer: Option C
Explanation:
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17. |
Only London dispersion forces are present among the |
A. |
Molecules of water in liquid state |
B. |
Atoms of helium in gaseous state at high temperature |
C. |
Molecules of hydrogen chloride gas |
D. |
Molecules of solid iodine |
Answer: Option D
Explanation:
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18. |
Bohrs model is contradicted by |
A. |
Plancks theory |
B. |
Dual nature of matter |
C. |
Heisenbergs uncertainty principle |
D. |
All of these |
Answer: Option C
Explanation:
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19. |
Quantum number values for 3p orbitals are |
A. |
n=3 l=2 |
B. |
n=3 l=0 |
C. |
n=3 l=1 |
D. |
n=3 l=3 |
Answer: Option C
Explanation:
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20. |
When fast neutron strike the nucleus of nitrogen the particles ejected are |
A. |
? - particles |
B. |
? - particles |
C. |
? - rays |
D. |
X - rays |
Answer: Option A
Explanation:
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