CAMBRIDGE:
Following test is taken based on the rules and policies of cambridge institute.
St.Xavier's Model Set -18
Full Marks : 98
Be ready, Test is going to start in a few seconds...
Q.1 Scurvy is caused due to the deficiency of :
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A)
Vitamin A
B)
Vitamin B
C)
Vitamin C
D)
Vitamin D
Q.2 What is the distance between the poles of magnet if the real length of magnet is 85.8cm ?
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A)
85.8cm
B)
29.4cm
C)
25cm
D)
50cm
Q.3 the unit of capacitance is :
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A)
Columb/meter
B)
Columb/volt
C)
Faraday
D)
volt/coulomb
Q.4 In ........... waves, particles vibrate prependicular to the direction of propagation of wave ?
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A)
longitudinal
B)
Mechanical
C)
Transverse
D)
All
Q.5 The temperature of a fever-patient read by a thermometer is 102°F. What is its equivalent temperature is centigrade scale?
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A)
38.5°C
B)
102°C
C)
39.6°C
D)
24.67°C
Q.6 dimension of potential difference is :
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A)
Kgm^2s^-3A^-1
B)
Kgm^2s^-2A^-1
C)
Kgm^2s^-3A^-2
D)
Kgm^2s^3A^-1
Q.7 Rising and setting sun appears to be reddish because of :
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A)
reflection of light
B)
refraction of light
C)
diffraction of light
D)
scattering of light
Q.8 A boy of mass 40kg runs up a vertical height 5m in 10 sec. Find the power of the boy ?
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A)
205 watt
B)
210 watt
C)
208 watt
D)
200 watt
Q.9 Which of the following light has maximum wavelength ?
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A)
red
B)
violet
C)
blue
D)
yellow
Q.10 A train covers 50m with in 5 seconds, 40m within 4 seconds and 30m within another 3 seconds, then the average velocity of the train is .................
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A)
3 m/s
B)
5m/s
C)
20m/s
D)
10m/s
Q.11 Static electricity is produced by :
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A)
110 ohm
B)
220 ohm
C)
440 ohm
D)
2 ohm
Q.12 The dynamo converts .............
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A)
electrical energy into heat energy
B)
kinetic energy into potential energy
C)
mechanical energy into electrical energy
D)
potential energy into kinetic energy
Q.13 Electric lines of force ?
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A)
existws only when positive and negative charges are nearer to each other
B)
intersect to each other
C)
are imaginary
D)
are closer to each other for weaker field
Q.14 The process by which a substance changes its state directly from solid to gas is called ?
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A)
Fusion
B)
sublimation
C)
vaporization
D)
condensation
Q.15 Number of electrons in 1 Kg of electron is ?
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A)
1.09 x 10^30
B)
2.5 x 10^28
C)
5.25 x 10^29
D)
8.25 x 10^31
Q.16 When a convex mirror is immersed in a liquid, its focal length ...............................
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A)
increases
B)
decreases
C)
remains same
D)
depends upon the liquid
Q.17 During total internal reflection, the angle of incidence in denser medium is ?
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A)
Greater than critical angle
B)
less than
C)
Critical angle equal to critical angle
D)
none
Q.18 When light travels from one medium to anther medium which of the following remains constant ?
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A)
velocity
B)
wavelength
C)
Frequency
D)
All of the above
Q.19 Velocity of sound is greatest in ................ ?
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A)
Solids
B)
Liquids
C)
Gases
D)
Equal in all medium
Q.20 A voltmeter is an instrument ?
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A)
to measure the potential difference
B)
to measure the electric current
C)
to determine petrochemical equivalent
D)
to measure the resistance of wire
Q.21 Angle of dip is ?
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A)
Minimum at poles and maximum at equator.
B)
Maximum at poles and minimum at equator
C)
Equal at poles and equator
D)
None of the above
Q.22 At what temperature Reaumer thermometer shows same reading as a Fahrenheit thermometer ?
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A)
-40℉
B)
-0℉
C)
-25℉
D)
-256℉
Q.23 The ratio of conc. HC! and core HNO3 is aqua - regia is respectively
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A)
1 : 3
B)
2 : 3
C)
3 : 2
D)
3 : 1
Q.24 Haematite is the ore of :
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A)
Iron
B)
Copper
C)
Tin
D)
Lead
Q.25 Formalin is used as :
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A)
Disinfectant reagent
B)
Preservative of biological specimens
C)
Both
D)
None
Q.26 C1^- → C1 involves
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A)
Loss of 1 electron
B)
Gain of 1 electron
C)
Loss of 2 electrons
D)
Neither loss nor gain of electrons
Q.27 In which group do halogens occupy in Periodic Table ?
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A)
IA
B)
IIA
C)
VA
D)
VII A
Q.28 The Electronic configuration of chromium is :
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A)
[Ar] 4s^1 3d^5
B)
[Ar] 4s^2 3d^4
C)
[Ar] 4s^2 3d^5
D)
[Ar] 4s^2 3d^6
Q.29 If a molecule has molecular formula X3 Y2 then outermost shell of X and Y many contain .............Electrons respectively.
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A)
2 & 4
B)
6 & 5
C)
2 & 3
D)
both b & c
Q.30 Which one of these is liquid at room temperature ?
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A)
F2
B)
Cl2
C)
Br2
D)
I2
Q.31 Water glass is ......................
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A)
Na2CO3
B)
Na2SiO3
C)
CaSiO3
D)
MgSiO3
Q.32 Hair is ?
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A)
Protein
B)
Carbohydrate
C)
Acid
D)
Ester
Q.33 Silicon is ?
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A)
Metal
B)
Non metal
C)
Metalloid
D)
None
Q.34 Which one of these in not polymer ?
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A)
Polythene
B)
Urea
C)
Nylon
D)
Cellulose
Q.35 The gas obtained by heating ammonium chloride and calcium hydroxide is ?
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A)
N2
B)
NH3
C)
NO
D)
O2
Q.36 Bakelite is a polymer of ........ ?
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A)
Urea and formaldehyde
B)
Phenol and formaldehyde
C)
Urea and phenol
D)
Phenol and adipic acid
Q.37 In H2SO4 , the valency of sulphur is ?
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A)
2
B)
4
C)
6
D)
3
Q.38 The formula of sodium meta phosphate is ?
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A)
NaPO3
B)
Na3PO3
C)
Na3PO4
D)
Na2PO4
Q.39 The volume of CO2 formed at STP when 1.2 g of carbon is burnt in air is ?
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A)
1.12 l
B)
2.24 l
C)
11.2 l
D)
22.4 l
Q.40 The impurities present in ore is ?
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A)
Flux
B)
Mineral
C)
Slag
D)
Cangue
Q.41 Which one of these in an ore of Zinc ?
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A)
Cuprite
B)
Calamine
C)
Haematite
D)
Bauxite
Q.42 Which one of these in not an alloy of copper ?
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A)
Brass
B)
Bronze
C)
Steel
D)
Bell Metal
Q.43 A element has atomic no. 19 and atomic mass 39. How much electrons will there be in the outer energy level ?
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A)
4
B)
2
C)
3
D)
1
Q.44 Which gas is produced when CaCO3 is strongly heated ?
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A)
O2
B)
CO2
C)
CO
D)
CaCO3 does not decompose
Q.45 A sample of tap water contains calcium hydrogen carbonate as impurity. The impurity is removed :
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A)
by adding soap
B)
by filtration
C)
by boiling
D)
by decantation
Q.46 The molecular formula of Gypsum salt is ?
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A)
MgSO4
B)
CaSO4
C)
FeSO4
D)
ZnSO4
Q.47 NaCl is ?
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A)
an acidic salt
B)
a basic salt
C)
an amphoteric salt
D)
a neutral salt
Q.48 A mixture of base and phenolphthalein is ?
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A)
Red color
B)
Pink color
C)
colorless
D)
orange colour
Q.49 Name the acid produced by gastric glands ?
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A)
H2SO4
B)
HNO3
C)
HCI
D)
H2CO3
Q.50 First man made organic compound synthesized in laboratory is :
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A)
Urea
B)
ethanol
C)
acetic acid
D)
ethane
Q.51 Nitrogen gas is manufactured from air ...........
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A)
by burning phosphorus in air
B)
by burning magnesium in air
C)
by burning calcium in air
D)
none of the above
Q.52 The mixture of Ethyl alcohol and water is separated by ?
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A)
Filtration
B)
evaporation
C)
sublimation
D)
fractional distillation
Q.53 The molecular formula of urea is ?
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A)
NH4CONH2
B)
NH2CONH2
C)
CH3CONH2
D)
C2H5CONH2
Q.54 The number of valance electron present in phosphorous are :
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A)
1
B)
3
C)
4
D)
5
Q.55 The group of Nitrogen family is called ?
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A)
Halogens
B)
Pnicogens
C)
Chalcogens
D)
Alkali metals
Q.56 Which of the following is an example of condensation polymer ?
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A)
Polyethylene
B)
Teflon
C)
Polyvinyl chloride
D)
Bakelite
Q.57 Brassis an alloy of ?
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A)
Zn + Mg
B)
Zn + Fe
C)
Cu + Zn
D)
Zn + Sn
Q.58 Which of the following is trihydric alcohol ?
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A)
Methanol
B)
Ethanol
C)
Glycol
D)
Glycerol
Q.59 Permanent hardness of water is removed by :
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A)
boiling
B)
treating with CO2
C)
treated with alkali
D)
permutit process
Q.60 Which of the following gas is lighter than air ?
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A)
CO2
B)
SO2
C)
SO3
D)
NH3
Q.61 The maximum electron holding capacity of d-orbital is ?
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A)
10
B)
2
C)
14
D)
6
Q.62 Which of the following compound contains co-ordinate covalent bond ?
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A)
NaCI
B)
CO2
C)
H2S04
D)
SO2
Q.63 The molecular weight of glucose is ?
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A)
181
B)
179
C)
180
D)
182
Q.64 In laboratory, methane gas is prepared by heading .
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A)
Sodium acetate and soda lime
B)
Lead acetate and caustic soda
C)
Acetic acid and ethanol
D)
None
Q.65 If the solubility of a salt of 0°C is 12, find out the amount of salt present 50 gram of its saturated solution at 0°C .
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A)
6.65 gm
B)
5.35 gm
C)
6.55 gm
D)
5.56 gm
Q.66 The IUPAC name of an ant acid is ?
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A)
Ehanoic acid
B)
Methanoic acid
C)
HCI
D)
H2SO4
Q.67 Aqua-regia is mixture of ....................
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A)
3HCI + 1 HNO3
B)
1 HCI + 3HNO3
C)
3 HNO3 + 1 H2SO4
D)
3H2SO$ + 1 HNO3
Q.68 The formula of hematite is .......................
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A)
Fe3O4
B)
Fe2O3
C)
FeCO3
D)
FeS2
Q.69 The total number of lanthanide elements is ?
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A)
8
B)
32
C)
15
D)
14
Q.70 The electronic configuration of copper ( Cu) atom is : Click on view option to see question detail
View
1 marks
A)
Answer is A
B)
Answer is B
C)
Answer is C
D)
Answer is D
Q.71 Mg^++ ion differs from Mg in ..........................
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A)
Electron and proton
B)
electron and neutron
C)
Proton and electron
D)
electron
Q.72 Elements having different nuclear charges but the same mass number and called ?
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A)
Isotopes
B)
Isobars
C)
isomers
D)
all of above
Q.73 Flux is used to
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A)
Remove silica
B)
Remove silica and undesirable metal oxide
C)
Remove all impurities from metal ores
D)
Reduce metal oxide
Q.74 the molecular formula of baking soda is ?
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A)
Na2CO3
B)
CaCO2
C)
NaHCO3
D)
None
Q.75 The weight of 224 C. C. of NH3 gas at NTP is ?
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A)
17gm
B)
0.17gm
C)
170gm
D)
1.7gm
Q.76 Stainless steel contains :
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A)
Fe + Cr + Ni
B)
Fe + Cu + Ni
C)
Fe + C + Ni
D)
Fe + Cr + Cu
Q.77 The general electronic configuration ns^2 np^5 represents group ?
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A)
VA
B)
IIA
C)
VIIA
D)
VIII
Q.78 Which of the following compound contain both ionic and covalent bond ?
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A)
CaCL2
B)
CO2
C)
Na2SO3
D)
H2SO4
Q.79 Molecular formula of lunar caustic is :
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A)
AgCI
B)
AgNO3
C)
MgNO3
D)
None of above
Q.80 Total number of atoms present in 1 mole of water is?
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A)
1 x NA
B)
2 x Na
C)
3 x Na
D)
4 x Na (Na= Avogadro's Number)
Q.81 Which of the following compound on heating give nitrogen gas is :
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A)
Ammonium
B)
Ammonium nitrite
C)
Ammonium chloride
D)
Sodium nitrate
Q.82 The elements present in ordinary glass are:
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A)
Si, Na, Al O
B)
Si , Na, Ca, O
C)
Si, Ca, Fe, O
D)
Si, Na, Mn, O
Q.83 The valency of sulphur in sulphur trioxide is :
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A)
1
B)
3
C)
6
D)
4
Q.84 Which of following is synthetic polymer ?
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A)
Protein
B)
Rubber
C)
Rayon
D)
Starch
Q.85 Pure water is neutral because ................
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A)
Water is not ionized
B)
Water is less ionized
C)
Concentration of [H+] and [OH-] is equal
D)
None of the above
Q.86 The PH of blood is ?
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A)
Less than 6
B)
Greater than 7 and less than 8
C)
Greater than 8 and less than 9
D)
Greater than 10
Q.87 Benzene is ............ ?
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A)
C6H6
B)
C5H6
C)
CHCI3
D)
CH4
Q.88 The radius of a circle is 14 cm. Find its area.
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A)
88 cm^2
B)
616 cm^2
C)
516 cm^2
D)
700 cm^2
Q.89 How many lead balls each of radius 1 cm can be made from a solid sphere of diameter 12 cm ?
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1 marks
A)
216
B)
217
C)
218
D)
219
Q.90 2cos^-1 equals to
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A)
Cos^-1(2x^2+1)
B)
Cos^-1(2x^2-1)
C)
Cos^-1(1-2x^2)
D)
none
Q.91 What is the sum of the first 7th term of a G.S whose first term is 2 and the third term is 1/2 ?
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A)
32/127
B)
127/32
C)
127/128
D)
none of the above
Q.92 if a/3=b/4=c/7 find (a+b+c)/ c ?
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A)
1
B)
2
C)
-3
D)
-4
Q.93 Divided x^3+a^3 by x + a, the remainder is :
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A)
0
B)
x^2-xa+a^2
C)
x^2-a^2
D)
x^2-xa-a^2
Q.94 Length of interval (a-α, a+α) is
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A)
2 α
B)
2 a
C)
a+α
D)
2(a-α)
Q.95 The vector M →(a +b ) where m is a scalar, is of magnitude ?
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A)
m
B)
|m|
C)
m|M|
D)
none of the above
Q.96 If cos 2A= sin3A, then the value of A is ?
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A)
30°
B)
54°
C)
18°
D)
72°
Q.97 The molecular formula of Epsom salt is :
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A)
MgSO4.7H2O
B)
ZnSO4.7H2O
C)
CuSO4.7H2O
D)
FeSO4.7H2O
Finish Test