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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
The rate of diffusion of a gas is proportional to
Choose an answer
P /√d
√p/d
P/d
√ P/d
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Question # 2
Which of the following is an example of body centred cube?
Choose an answer
Magnesium
Zinc
Copper
Sodium
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Question # 3
Mass spectrometry is used to determine the
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Number of isotopes of an element
Relative abundance of isotopes
Relative isotopic masses
All of these
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Question # 4
Hydrogen bonding is extensively present in proteins which form the spiral. The hydrogen bond being produced is between
Choose an answer
nitrogen and hydrogen atom
oxygen and hydrogen atom
carbon and hydrogen atom
oxygen and carbon atom
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Question # 5
Octet rule is not allowed in the formation of
Choose an answer
NF3
B.CF4
CCI4
PCI5
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Question # 6
Polycyclic aromatic hydrocarbons are taught to be
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Disinfectant
Carcinogenic
Helpful
Reactive
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Question # 7
The instrument that is used to measure the pressure of a gas is called
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viscometer
photometer
barometer
stalagmometer
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Question # 8
Which of the following liquid has higher boiling point?
Choose an answer
HCl
HBr
H
2
O
Br
2
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Question # 9
The correct value of the gas constant R is close to
Choose an answer
0.082 litre-atm K
-1
mol
-1
0.082 litre-atm
-1
K mol
0.082 litre-atm K
0.082 litre-atm
-1
K mol
-1
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Question # 10
Amount of cellulose produced by plants every year is _____ approximately
Choose an answer
100 billion tons
90billion tons
80 billion tons
70 billion tons
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Question # 11
In aldehydes and ketones carbon of carbonyl group is;
Choose an answer
sp³ hyhridized
sp² hybridized
sp hybridized
un hybridized
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Question # 12
Mark the correct statement
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Na
+
is smaller than Na atom
Na
+
is larger than Na atom
Cl
-
is the smaller than Cl atom
Cl
-
(ion) and Cl (atom) are equal in size
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Question # 13
The energy absorbed when an electron is added to a gaseous atom to form a gaseous ion is called
Choose an answer
Electron affinity
Ionization energy
Both of these
None of these
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Question # 14
The sample being analyzed is called:
Choose an answer
Electrolyte
Residue
Undue
Filtrate
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Question # 15
The avtive mass of 64 g of HI in a two litre flask would be
Choose an answer
2
1
5
0.25
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Question # 16
Major food factors are:
Choose an answer
Fats and oils
Carbohydrates
Proteins
All of these
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Question # 17
Ethyl alcohol gives ethyl chloride with the help of
Choose an answer
SOCl
2
NaCl
Cl
2
KCl
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Question # 18
Which of the following is not fatty acid?
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Propanoic acid
Acetic acid
Phthalic acid
Butanoic acid
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Question # 19
CFCs undergo homolytic fission by uv light in the stratosphere which radical could result from this irradiations of CHCICF
2
Cl.
Choose an answer
CHF Cl C FCl
CH Cl CF
2
Cl
CHF CF
2
Cl
C FCl CF
2
Cl
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Question # 20
Amino acids contain functional groups in it:
Choose an answer
--CO--
--OH
---NH
2
All of these
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Question # 21
Choose an answer
RCH(CH
3
)CO
2
H + CH
3
OH
RCH(CH
3
)CO
2
H + HCO
2
H
RCH(CH
3
)OH + CO
2
RCH(CH
3
)OH + HCO
2
H
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Question # 22
When phenol is distilled with zinc dust. It is reduced to
Choose an answer
Benzene
Benzaldehyde
Toluene
Hexanol
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