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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
Nylon 6, 6 is a condensation polymer of
Choose an answer
Phthalic acid and hexa ethylene diamine
Adipic acid and hexaethylene diamine
Phthalic acid and glycerol
Adipic acid and glycerol
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Question # 2
H
2
and O
2
are enclosed in porous vessel. The effusion of these gases will take place like
Choose an answer
H
2
effuses 4 times the rate of effusion of O
2
O
2
effuses into air 4 times the effusion of H
2
both effuse at same rate
H
2
effuses at 8 times the rate of effusion of O
2
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Question # 3
A compound z' decolorizes bromine water and produces white ppt. The compound 'z'is
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Alkane
Alcohol
Phenol
Benzene
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Question # 4
Which of the following protein has application is food industry
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Globulin
Gelatin
Casein
All
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Question # 5
Insoluble ferric oxide is produced in the pH range:
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1 to 8
6 to 9
3 to 13
8 to 13
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Question # 6
Substituted phenyl group are called
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Arene groups
Alkyl groups
Aryl groups
Acyl groups
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Question # 7
The process in which solid is directly coverted into gaseous state is called
Choose an answer
evaporation
boiling
sublimation
transformation
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Question # 8
According to Hess's law, the enthalpy change for a reaction
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Depends on path
Independent of the path
The sum of ∆E and ∆H
None of these
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Question # 9
For a chemical reaction which can never be a fractional no
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order
molecularity
half-life
rate constant
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Question # 10
The rate of diffusion of hydrogen gas is three times than that of an unknown gas at same temperature and pressure than the molar mass of unknown gas is
Choose an answer
32
18
16
27
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Question # 11
Areal gas obeying Van der Waal's equation will resemble ideal gas ilf the:
Choose an answer
both a and b are large
both a and b are small
a is small and b is large
a is large and b is small
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Question # 12
Which of the following species has unpaired electrons in antibonding molecular orbitals
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Question # 13
50 cm
3
of 0.05 molar nrea (N
2
H
4
CO) solution has % W/N concentration
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6%
3%
0.3 %
0.6 %
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Question # 14
An example of water soluble vitamin is
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Vitamin D
Vitamin E
Vitamin A
Vitamin C
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Question # 15
The driving force for making a bond is
Choose an answer
To attain noble gas electronic configuration
To make soled compounds
To make different compounds
To make gaseous substances
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Question # 16
Chemistry related to the study of environment affected by the chemicals and pollutants is called:
Choose an answer
Biochemistry
Physical chemistry
Pharmaceutical chemistry
Environmental chemistry
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Question # 17
In a lime kiln, to get higher yield of CO
2
, the measure that can be taken is
Choose an answer
To main high temperature
To pump out CO
2
To remove Cao
To add more CaCO
3
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Question # 18
Concentration of rectified spirit is:
Choose an answer
12%
14%
90%
95%
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Question # 19
How many moles of hydrogen atoms does 3.2 g of methane, CH
4
, contain?
Choose an answer
0.02
0.2
0.4
0.8
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Question # 20
Which colour is imparted by sodium
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Yellow
Violet
Red
Crimson
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Question # 21
Precipitation will occur until the ionic product becomes
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Equal to K
sp
Lesser than K
sp
Greater than K
sp
None of these
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Question # 22
Under what condition of temperature and pressure the formation of atomic hydrogen from molecular hydrogen will be favourd
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High temperature and high pressure
Low temperature and low pressure
High temperature and low pressure
:Low temperature and high pressure
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