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Chemistry Fsc Part 1 Online Test MCQs With Answers
Question # 1
Crystal to diamond is.
Choose an answer
Ionic
Molecular
Covalent
Metallic
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Question # 2
In the ground state of an atom, the electron is present
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In the nucleus
In the second shell
Nearest to the nucleus
Farthest from the nucleus
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Question # 3
Which one of the following substances is used as water absorber in combustion analysis.
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Mg(CIO4)2
50% KOH
Lime water
Dilute solution of NaOH
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Question # 4
Noon has low critical temperature and pressure as compared to other gases. the most probable reason is that
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Its octet is complete
It is a monoatomic gas
It has very low polarizability
It has least forces of attraction
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Question # 5
The atomis radius is of the order of
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10
-8
cm
10
8
cm
10
-12
cm
10
-10
cm
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Question # 6
A filtration process could be very time consuming if it were not aided by a gentle suction, which is developed.
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If the paper covers the funnel up to its circumference
If the paper has got small sized pores in it
If the stem of the funnel is large so that it dips into the filtrate
If the paper fits tightly
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Question # 7
A solution will be unsaturated if
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Ionic product = Kap
Ionic product < Ksp
Ionic Product > Ksp
both 'a' and 'b' are correct
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Question # 8
Which one of the following relationship is correct about energy and frequency.
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E = hv
E = h/v
E = v/h
h = v/E
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Question # 9
the nature of the positive rays depend on
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The nature of the electrrode
The nature of the discharge tube
The nature of the residual gas
All of the above
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Question # 10
Acetone and chloroform are soluble in each other due to
Choose an answer
Intermolecualr hydrogen bonding
Dipole-dipole interaction
Instantaneous dipoles
All of the above
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Question # 11
Molal boiling point elevation depends upon
Choose an answer
Nature of solvent
Natrue of solute
Vapour pressure of solution
None of these
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Question # 12
The mass of one mole of electrons is
Choose an answer
1.008 mg
0.55 mg
0.184 mg
1.673 mg
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Question # 13
Which substance is nto a dehydrating agent.
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CaCl3
CdCl2
Silica gel
P2O5
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Question # 14
Compound which undergo sublimation is
Choose an answer
KMnO4
CaCO3
NH4Cl
Na2CO3
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Question # 15
Chromatographic technique is very useful for
Choose an answer
Isolation
Purification
separation
All of them
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Question # 16
The nature of copper crystals is
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Metallic
Ionic
Covalent
Molecular
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Question # 17
The volume occupied by 1.4 g of N2 at S.T.P is
Choose an answer
2.24 dm3
22.4 dm3
1.12 dm3
112 cm3
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Question # 18
The reaction that involves gases, its rate does not depend upon
Choose an answer
Catalyst
Temperature
Moles dm
-3
Partial pressure
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