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Chemistry General Science Test Easy Mode MCQs With Answers
Question # 1
Which one metal is least reactive?
Choose an answer
K
Fe
Cu
AI
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Question # 2
The number of isotopes of carbon are
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1
2
3
5
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Question # 3
PCL5 is ________________ shaped.
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Bipyromidal
Angular
Triangular
Linear
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Question # 4
Which is a polar molecule?
Choose an answer
HCI
H
2
CI
2
O
2
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Question # 5
Which one metal can be cut with a knife?
Choose an answer
Na
Mg
AI
Ca
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Question # 6
Bucky Balls are used as ________________
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Cutting
Grafting
Lubricants
Nil
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Question # 7
Atoms are made of sub _________
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Atoms
Molecules
Charge
Atomic particles
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Question # 8
In diamonds, carbon are ____________ bonded.
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Tetrahedrally
Single
Double
None
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Question # 9
Pure alkali metals can be cut simply by knife but iron cannot because of alkali metals have:
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Strong metallic bonding.
Weak metallic bonding
Non- metallic bonding
Moderate metallic bonding
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Question # 10
Which one of the following is heterogeneous mixture?
Choose an answer
milk
ink
milk of magnesia
sugar solution
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Question # 11
In peroxides, the oxidation no. of O is
Choose an answer
+1
-1
+3
-3
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Question # 12
When HCl and KOH is reacted the salt formed is.
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Acidic
Basic
Normal
Complex
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Question # 13
The reaction will attain the equilibrium if:
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Qc<Kc
Qc > Kc
Qc = Kc
Qc = 0
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Question # 14
Amino acid are linked to each other through.
Choose an answer
Hydrogen link
Ionic link
Gelatin link
Peptide link
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Question # 15
Which pollutant is not found in car exhaust gases?
Choose an answer
CO
O
3
NO
2
SO
3
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Question # 16
The end product of oxidation of acetylene is .
Choose an answer
Oxalic acid
Glyoxal
Glycol
None of these
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Question # 17
Water dissolves non-ionic compound by
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Ion-ion forces
Ion-dipole forces
Dipole -dipole forces
Hydrogen bonding.
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Question # 18
How many % age of urea is used as fertilizers?
Choose an answer
80%
90%
95%
98%
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Question # 19
The unit of molar concentration:
Choose an answer
mol. dm
-2
mol. dm
-1
mol. dm
mol. dm
-3
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Question # 20
A reverse reaction is that.
Choose an answer
Which proceed from left to high
In which reactants reacts to form products
Which slow down gradually
Which speed up gradually
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Question # 21
__________ acid cause acidity of stomach.
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Oxalic acid
Hydrochloric acid
Sulphuric acid
Nitric Acid
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Question # 22
Mercury poisoning cause:
Choose an answer
neurological damage
high blood pressure
kidney damage
gastro
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Question # 23
Which has greater enthalpy of vaporization
Choose an answer
F2
Cl2
Br2
I2
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Question # 24
The pH of human blood is
Choose an answer
7.0
7.4
4.0
6.5
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Question # 25
Photosynthesis a photochemical reaction has order of reaction
Choose an answer
0
1
2
Fractional order
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Question # 26
In zero order reaction the rate is independent of.
Choose an answer
Temperature of reaction
Concentration of reactants
Concentration of products
None of these
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Question # 27
The concept of distribution of velocities among the gas molecules was given by.
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Clausius
Mexwell
Boltzmann
Vander waal
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Question # 28
A negative deviation from Raoult's law in solution means, the solution has
Choose an answer
High boiling point and high vapour pressure
High boiling point and low vapour pressure
Low boiling point and low vapour pressure
Low boiling point and high vapour pressure
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Question # 29
the value of delta H and delta E for liquids and solids is almost same because.
Choose an answer
No change in temperature
Heat absorbed
No change in volume
Heat evolved
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Question # 30
Gas molecules show more deviation from ideal behaviour at high pressure because.
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Velocity of molecules increases
Velocity of molecules decreases
Force of attraction between molecules increases
Force of collision per unit area increases
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Question # 31
Almost forward reaction is complete when value of Kc is
Choose an answer
very high
Very small
Neither large nor very small
No correlation
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Question # 32
The rate of reaction determined at any given time is called.
Choose an answer
Average rate
Instantaneous rate
Spontaneous rate
Over all rate
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Question # 33
When water freezes at 0°C, its density decreases due to
Choose an answer
Cubic structure of ice
Empty spaces present in the structure of ice
Change of bond lengths
Change of bond angles
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Question # 34
The minimum temperature of troposphere is.
Choose an answer
-2
o
C
-56
o
C
-100
o
C
15
o
C
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Question # 35
Chlorobenzene on nitration with conc. HNO3 and Conc. H2SO4 gives.
Choose an answer
m -chloronitrobenzene
o and p chloronitrobenzene
o and m chloronitrobenzene
mixture of O2 m and p chloronitrobenzene
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Question # 36
The element cesium bears resemblance with
Choose an answer
Ca
Cr
Both of the above
None of the above
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Question # 37
The flavour of amylacetate is
Choose an answer
Orange
Apricot
Banana
Pineapple
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Question # 38
Variable valency is generally exhibited by
Choose an answer
Transition elements
Alkali metals
s-block elements
Gaseous elements
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Question # 39
Which substance is used to convert alcohol to alkyl halide.
Choose an answer
SOCl2
PCl3
HCl +ZnCl2
All of these
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Question # 40
Organic compound having fruity smell are
Choose an answer
Caboxylic acid
Alcohols
Ethers
Esters
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Question # 41
Which of the following is not directly prepared from CH
3
COOH
Choose an answer
Ethyl acetate
Acetyl chloride
Acetic anhydride
Acetamide
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Question # 42
Which of the following derivative connot be prepared directly from acetic acid.
Choose an answer
Acetamide
Acetyl chloride
Acetic anhydride
Ethyl acetate
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Question # 43
The state of hybridization of "C" in ethane is
Choose an answer
SP
sp
2
dsp
2
sp
3
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Question # 44
The compound which can not be nitrated easily.
Choose an answer
Benzene
Nitrobenzene
Phenol
Toluene
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