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Chemistry General Science Test Easy Mode MCQs With Answers
Question # 1
Solid particles possess which one of the following motions?
Choose an answer
rotational motions
vibrational motions
translation motions
both translational and vibrational motions
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Question # 2
____________ used to remove nail polish.
Choose an answer
Acetyline
Acetone
H2O
Nil
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Question # 3
Water is a ____________ covalent compound .
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Polar
Non polar
Ionic
Nil
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Question # 4
Which one of the following is not an electrolytic cell:
Choose an answer
Down cell
Galvanic cell
Nelson' cell
Both a and c
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Question # 5
Energy of a shell is ________________
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Variable
Constant
Cannot be changed
Nil
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Question # 6
The no.of neutrons in deutrium is
Choose an answer
1
2
3
4
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Question # 7
O3, Ozone is _________ molecules.
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Homoatomic
Hetroatomic
Monoatomic
Nil
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Question # 8
The forces of attraction present between the molecules of a substance are called ____________ forces.
Choose an answer
Intermolecular forces
Covalent
Ionic
Nil
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Question # 9
Which one of the following pair has the same mass?
Choose an answer
1 mole of CO and 1 mole of N
2
1 mole of CO and 1 mole of CO
2
1 mole of O
2
and 1 mole of N
2
1 mole of O
2
and 1 mole of CO
2
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Question # 10
1 torr = ?
Choose an answer
1 mm of Hg
1 atm
760 mm of Hg
1 pascal
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Question # 11
Which one of the following does not affect the boiling point?
Choose an answer
intermolecular forces
external pressure
nature of liquid
initial temperature of liquid
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Question # 12
The functional group -COOH is found in.
Choose an answer
Aldehydes
Esters
Carboxylic acids
alcohols
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Question # 13
The meaning of latin word acidus is.
Choose an answer
Sweet
Tasteless
Salty
Sour
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Question # 14
Who put forward the vital force theory?
Choose an answer
Berzelius
Wohler
Dalton
Lavoisier
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Question # 15
Enzymes are chemically;
Choose an answer
lipids
carbohydrates
proteins
vitamins
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Question # 16
The order of reactivity of hydrogen halides with alkenes is:
Choose an answer
HI>HBR
HBr>HI
HCl>HBr
HBr>HCl
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Question # 17
Acetic acid is used for:
Choose an answer
Elching designs
Clearing metals
Flavouring food
Making explosives
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Question # 18
Which is the main component of natrual gas.
Choose an answer
Methane
Ethane
Propane
Charcoal
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Question # 19
How many % age of nitrogen present in air by volume?
Choose an answer
70%
75%
78%
80%
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Question # 20
Which gas is not present in atmosphere?
Choose an answer
Nitrogen
Oxygen
Helium
Carbon dioxide
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Question # 21
Glucose and fructose are.
Choose an answer
Pentose
Triose
Hexoses
None of these
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Question # 22
The functional group- COOH is found in
Choose an answer
Carboxylic acid
aldehydes
alcohals
easter
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Question # 23
Standard enthalpy change when one mole of compound is formed from their elements at standard state is.
Choose an answer
Heat of formation
Standard heat of formation
Heat of combustion
Standard Heat of neutralization
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Question # 24
The commonly used unit of pressure by meteorologists is.
Choose an answer
Atmosphere
Pascal
Milli
Pound inch3
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Question # 25
Which of the following is a polar molecule
Choose an answer
CCl4
HCl
BF3
CO2
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Question # 26
The nature of positive rays depends on
Choose an answer
The nature of electrode
The nature of discharge tube
The nature of residual gas
All of the above
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Question # 27
The cell in which a non spontaneous redox reaction takes place as a result of electricity is known as.
Choose an answer
Voltaic cell
Denial cell
dry Cell
Electrolytic cell
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Question # 28
If absolute temperature of the gas is doubled and the pressure is reduced to one half the volume the gas will.
Choose an answer
Remains uncharged
Increase four time
Reduce to 1/4
Be doubled
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Question # 29
Ionic solids are characterized by.
Choose an answer
Low melting points
High vapour pressures
Good conductivity in solid state
Solubility in polar solvents
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Question # 30
In which compound oxidation state of chlorine is +5
Choose an answer
NaCl
HOCl
NaClO3
NaClO2
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Question # 31
London dispersion forces are the only forces present among the
Choose an answer
Molecules of water in liquid state
Atoms of helium in gaseous state at high temperature
Molecules of solid iodine
Molecules of hydrogen chloride gas
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Question # 32
Which is not use of electrochemical series.
Choose an answer
Feasibility of reaction
Measurement of EMF of cell
Comparison of reactivity with water or acids
Determination of atomic and ionic radii
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Question # 33
VSEPR theory was proposed by
Choose an answer
Nyholn and Gillespie
Kossel
Lewis
Sidwick
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Question # 34
In water the concentration of dissolved O
2
should be
Choose an answer
1-3 ppm
2-4 ppm
4-8 ppm
8-12 ppm
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Question # 35
Stainless steel is
Choose an answer
Compound
An element
Mixture
100% pure iron
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Question # 36
Which halogen will react spontaneously with Au to produce Au3+
Choose an answer
Br2
F2
I2
Cl2
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Question # 37
Which catalyst is used in contact process
Choose an answer
Fe
2
O
3
V
2
O
5
SO
3
Ag
2
O
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Question # 38
Arsenic impurities in contact process are removed.
Choose an answer
By prolong heating the gases
By treatment with Fe(OH)3
In scrubbing tower
In absorption tower
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Question # 39
The smog which have high contents of SO2 in it, is called.
Choose an answer
Reducing smog
Oxidizing smog
Natural smog
Neutral smog
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Question # 40
The resonating contributing structures of Benzene are
Choose an answer
2
3
5
7
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Question # 41
When water is added to plaster of paris, it changes to a hard mass. Its volume also expands upto
Choose an answer
1%
2%
3%
5%
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Question # 42
Acetic acid is manufactured by
Choose an answer
distillation
fermentation
ozonalysis
esterification
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Question # 43
Which of the following reagents will reacts with both aldehydes and ketones.
Choose an answer
Grignard reagent
Tollens's reagent
Fehling's reagent
Benedict 's reagent
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Question # 44
Which one of the following group of Periodic table called chalcogen family.
Choose an answer
Group III A
Group VA
Group VI A
Group VII A
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