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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
Amorphous substance show
(i) Short and long range order
(ii) Short range order
(iii) Long range order
(iv) Have no sharp melting point
Choose an answer
(i) and (ii) are correct
(ii) and (iv) are correct
(ii) (iii) and (iv) are correct
(i) and (iv) are correct
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Question # 2
d-d transition cannot be observed in
Choose an answer
Cr
Cu
Mn
Zn
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Question # 3
Reason of pollution are:
Choose an answer
Population and urbanization
Transportation
Industrialization
All of these
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Question # 4
Water is essential for life on
Choose an answer
Moon
Space
Earth
Sun
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Question # 5
One Joule is equivalent to
Choose an answer
4.184 cal.
0.4184cal.
1/2 cal.
1/4.184 cal
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Question # 6
If 1 mole of an ideal gas is heated from 273.15 K to 283.15 K at 1 atmospheric pressure, then increase in its energy is
Choose an answer
0.082 atm.dm
3
0.821 atm.dm
3
8.21 atm.dm
3
40.6 kJ
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Question # 7
Choose the chief air pollutant among the following which depletes ozone layer
Choose an answer
Carbon monoxide
Carbon dioxide
Chloroflurocarbons and nitrogen oxides
Sulphur dioxide
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Question # 8
The graph between P on
γ-axis and 1/V at x-axis for a given mass of a gas at temperature T is a
Choose an answer
straight line
curved upward
curved downward
circular
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Question # 9
Rigid rocky crust earth upto a depth of 100 km is called:
Choose an answer
Atmosphere
Hydrosphere
Lithosphere
All of these
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Question # 10
The study of which one of the followings guides to the mechanism of the reaction
Choose an answer
Order of reaction
Rate of reaction
Half-life period of reaction
Rate determining step
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Question # 11
Correct relationship b/w Kc and Kp can be written as
Choose an answer
Kp=, Kc(R)∆n
Kc=Kp (RT)∆n
Kp.= Kc.(RT)∆n
Kp=Kc (R/N)∆n
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Question # 12
Noble gases have the electronic configuration with their valance shell ns
2
np
6
except one
Choose an answer
He
Ne
Kr
Xe
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Question # 13
IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are
Choose an answer
Non typical transition element
Typical transition element
Normal elements
Inner transition element
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Question # 14
Alkaline earth metals are usually
Choose an answer
Reducing agent
Oxidizing agent
Amphoteric
Acidic
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Question # 15
What is the total number of different chloroethanes, formula C
2
H
6-n
Cl
n
, where n can be any integer from 1 to 4
Choose an answer
4
6
7
8
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Question # 16
Which of the statements given below concerning properties of solution, describe a colligative effect?
Choose an answer
Boiling point of pure water decreases by the addition of ethanol
Vapour pressure of pure water decreases by the addition of nitric acid
Vapour pressure of pure benzene decreases by the addition of naphthalene
Boiling point of pure benzene increases by the addition of toluene
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Question # 17
n-butane and iso butane are an example of
Choose an answer
Chain isomerism
Positional isomerism
Meta merism
Functional group isomerism
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Question # 18
Precipitation will occur until the ionic product becomes
Choose an answer
Equal to K
sp
Lesser than K
sp
Greater than K
sp
None of these
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Question # 19
The elements of group lA are called
Choose an answer
Chalocogens
Halogens
Alkali metals
Alkaline earth metals
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Question # 20
Easter are pleasant smelling compounds. Which ester posseses odour like pineapple
Choose an answer
Amylacetate
Amylbutyrate
Ethylbutyrate
Benzylacetate
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Question # 21
The human body can synthesize ______ amino acids
Choose an answer
1
10
20
19
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Question # 22
HNO
2
acts as an/a
Choose an answer
Acid
Oxidizing agent
Reducing agent
All the three
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