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Hassan
1.Boiling points of hydrocarbons increase with the increase in number of carbon atoms. It is mainly due to
A. More strength of H-bonding
B. More strength of London forces
C. Less polarizability
D. More strength of H-bonding
2.Ice is ___________ crystal
A. Metallic
B. Molecular
C. Covalent
D. Metallic
3.Select a pair of compounds which are isomorphic in nature.
A. NaCI and KNO3
B. MgO and NaF
C. KNO3 and MgO
D. NaCI and KNO3
4.The viscosity of solids is
A. Infinite
B. Negligible
C. Medium
D. Infinite
5.a=b=c, ?=?=?=90� is a representation of crystal system
A. Monoclinic
B. Triclinic
C. Hexagonal
D. Monoclinic
6.The phenomenon in which a compound exists in two or more crystalline forms is called
A. Isomorphism
B. Polymorphism
C. Anisotropy
D. Isomorphism
7.Which solids are called true solids?
A. Metallic
B. Amorphous
C. Crystalline
D. Metallic
8.Buckyballs is an allotropic form of
A. Sulphur
B. Carbon
C. Silica
D. Sulphur
9.The number amino acid units for each turn of the helix on average are
A. 21
B. 23
C. 25
D. 21
10.Isomorphic substances have
A. Same physical and chemical properties
B. Same physical and different chemical properties
C. Different physical and same chemical properties
D. Same physical and chemical properties
11.If a physical and chemical change takes place at a constant pressure then the heat change during the process is called
A. Heat of transition
B. Heat of fusion
C. Enthalpy change
D. Heat of transition
12.The pressure during the molar heat of fusion is kept
A. 0 atmosphere
B. one atmosphere
C. 2 atmosphere
D. 0 atmosphere
13.The amount of heat absorbed when one mole of a liquid is changed into gas at its boiling point is
A. The molar heat of sublimation
B. The molar heat of fusion
C. The molar heat of vaporization
D. The molar heat of sublimation
14.All the enthalpy changes are
A. Negative
B. Positive
C. May or may not be a or b
D. Negative
15.Information technology is a combination of
A. Computing and mechanical technology
B. Computing and mechatronics technology
C. Computing and communication technology
D. Computing and mechanical technology
16.A collection of raw fact and figure is called.
A. Data
B. Information
C. Processing
D. Data
17.Which operation is not performed by computers?
A. Inputting
B. Processing
C. Controlling
D. Inputting
18.A set of instructions of computer are.
A. Hardware
B. Documents
C. CPU
D. Hardware
19.The electronic circuit that executes computer instruction is called
A. Keyboard
B. CPU
C. Monitor
D. Keyboard
20.Hardware is best described as.
A. Program
B. Physical parts
C. Procedure
D. Program
21.The electronic circuits of computer system are called
A. Software
B. Hardware
C. Firmware
D. Software
22.Which of the following is not an output device?
A. Speaker
B. Printer
C. Plotter
D. Speaker
23.Hardware components that permanently hold data and programs is called
A. Primary storage
B. Temporary storage
C. Secondary storage
D. Primary storage
24.The data and program are stored permanently on the.
A. RAM
B. CPU
C. Secondary storage
D. RAM
25.Types of application software are.
A. 5
B. 4
C. 3
D. 5
26.Which Software is used to solve everyday person or business tasks?
A. Opening System
B. Application Software
C. System Software
D. Opening System
27.The Software which is developed for particular customer is called.
A. Package
B. System
C. Shareware
D. Package
28.Which of the following is not an example of system software
A. MS -Word
B. Operating System
C. Device driver
D. MS -Word
29.Which of the following is an example of System Software?
A. Spread - sheet
B. Operating System
C. Text editor
D. Spread - sheet
30.Which of the following is not an example of system software
A. Operating system
B. Drivers
C. Utility program
D. Operating system
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