Daily Updates Mock Test 63
MOCK TEST 63
SYLLABUS : CHEMISTRY
TIME : 20 MINUTES FULL MARKS : 50*5 = 250
EACH QUESTION CARRIES 5 MARKS , -VE MARKING = - 1 / WRONG ANSWER
আজকের মোক টেস্ট নেওয়া হবে রাত 9.30 PM থেকে , এই মোক টেস্ট দেওয়া যাবে কাল সকাল 11 টা পর্যন্ত
OUR FACEBOOK GROUP : DAILY UPDATES
CLICK HERE TO JOIN
OUR FACEBOOK PAGE : STUDY MATERIALS FOR ALL
CLICK HERE TO FOLLOW
OUR TELEGRAM CHANNEL LINK : STUDY MATERIALS FOR ALL
CLICK HERE TO FOLLOW
PSC GUIDE BOOK FOR (MVI,WORKS ACNTNT,FOOD SI)
CLICK HERE TO DOWNLOAD
PSC Read moreSCHOOL INSPECTOR GUIDE BOOK + MOCK TESTS
CLICK HERE TO DOWNLOAD
- 1.
The most abundant rare gas in the atmosphere is
- A.
He
- B.
Ne
- C.
Ar
- D.
Xe
Correct Answer
C. Ar -
- 2.
The Latin word formica means ant. The name formic acid is derived from this Latin word because
- A.
This acid, in ancient times, was used to eliminate ant-hills
- B.
This corrosive acid is secreted by ants to drive away their enemies
- C.
This acid was first obtained by the distillation of ants
- D.
Ants are attracted by the odour of this acid
Correct Answer
C. This acid was first obtained by the distillation of ants -
- 3.
The ore which is found in abundance in India is
- A.
Monazite
- B.
Fluorspar
- C.
Bauxite
- D.
Magnetite
Correct Answer
A. Monazite -
- 4.
The inherited traits of an organism are controlled by
- A.
RNA molecules
- B.
Nucleotides
- C.
DNA molecules
- D.
Enzymes
Correct Answer
C. DNA molecules -
- 5.
The heat energy produced when the human body metabolises 1 gram of fat is
- A.
30 KJ
- B.
1 KJ
- C.
39 KJ
- D.
29 KJ
Correct Answer
C. 39 KJ -
- 6.
What are the number of moles of CO2 which contains 16 g of oxygen?
- A.
0.5 mole
- B.
0.2 mole
- C.
0.4 mole
- D.
0.25 mole
Correct Answer
A. 0.5 mole -
- 7.
The main use of salt in the diet is to
- A.
Make the taste of food better
- B.
Produce in small amounts the hydrochloric acid required for the digestion of food
- C.
Ease the process of cooking
- D.
Increase the solubility of food particles in water
Correct Answer
B. Produce in small amounts the hydrochloric acid required for the digestion of food -
- 8.
The monomer of polythene is
- A.
Vinyl chloride
- B.
Ethylene
- C.
Ethyl alcohol
- D.
None of the above
Correct Answer
B. Ethylene -
- 9.
The luster of a metal is due to
- A.
its high density
- B.
Its high polishing
- C.
Its chemical inertness
- D.
Presence of free electrons
Correct Answer
D. Presence of free electrons -
- 10.
The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is
- A.
1.568 x 103
- B.
6.023 x 1019
- C.
4.84 x 1017
- D.
6.023 x 1023
Correct Answer
B. 6.023 x 1019 -
- 11.
The most malleable metal is
- A.
Platinum
- B.
Silver
- C.
Iron
- D.
Gold
Correct Answer
D. Gold -
- 12.
The oil used in the froth floatation process is
- A.
Coconut oil
- B.
Olive oil
- C.
Kerosene oil
- D.
Pine oil
Correct Answer
D. Pine oil -
- 13.
The number of waves in n x 10th Bohr's orbit are
- A.
N2
- B.
N
- C.
N-2
- D.
N3
Correct Answer
B. N -
- 14.
The mass of one Avogadro number of helium atom is
- A.
1.00 gram
- B.
4.00 gram
- C.
8.00 gram
- D.
4 x 6.02 x 1023 gram
Correct Answer
B. 4.00 gram -
- 15.
The items amenable to detection by soft x-rays are
- A.
Contrabands
- B.
Lead in bullets
- C.
Narcotics
- D.
Genuine coins from counterfeit coins
Correct Answer
D. Genuine coins from counterfeit coins -
- 16.
The material which can be deformed permanently by heat and pressure is called a
- A.
Thermoplastic
- B.
Thermoset
- C.
Chemical compound
- D.
Polymer
Correct Answer
B. Thermoset -
- 17.
The mass number of a nucleus is
- A.
Always less than its atomic number
- B.
The sum of the number of protons and neutrons present in the nucleus
- C.
Always more than the atomic weight
- D.
A fraction
Correct Answer
B. The sum of the number of protons and neutrons present in the nucleus -
- 18.
The inexpensive and commonly used variety of glass is called soda glass. It is called so because
- A.
Was used initially for making bottles of soda(carbonated drink)
- B.
Is made using soda(sodium carbonate)
- C.
Was initially used for storing sodium carbonate
- D.
Is made using soda lime
Correct Answer
B. Is made using soda(sodium carbonate) -
- 19.
The gas used in the manufacture of vanaspati from vegetable oil is
- A.
Hydrogen
- B.
Oxygen
- C.
Nitrogen
- D.
Carbon dioxide
Correct Answer
A. Hydrogen -
- 20.
The ionic radii of N3-, O2-, F- and Na+ follows the order
- A.
N3- > O2- > F- > Na+
- B.
N3- > Na+ > O2- > F-
- C.
Na+ > O2- > N3- > F-
- D.
O2- > F- > Na+ > N3-
Correct Answer
A. N3- > O2- > F- > Na+ -
- 21.
The graphite rods in the nuclear reactor
- A.
React with U to release energy
- B.
Produce neutrons
- C.
Undergo combustion which triggers the nuclear fission
- D.
Convert fast moving neutrons into thermal neutrons
Correct Answer
D. Convert fast moving neutrons into thermal neutrons -
- 22.
The first metal used by man was
- A.
Iron
- B.
Copper
- C.
Gold
- D.
Bronze
Correct Answer
B. Copper -
- 23.
The hydronium ion is
- A.
H+
- B.
HO -
- C.
H2+
- D.
H3O+
Correct Answer
D. H3O+ -
- 24.
The most electropositive elements among the following is
- A.
Na
- B.
Ca
- C.
K
- D.
Cs
Correct Answer
D. Cs -
- 25.
The method that cannot be used for removing permanent hardness of water is
- A.
Adding sodium carbonate
- B.
Distillation
- C.
Adding caustic soda
- D.
Boiling
Correct Answer
D. Boiling -
- 26.
The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle?
- A.
3 billion years
- B.
100 years
- C.
0.01 minute
- D.
13 days
Correct Answer
C. 0.01 minute -
- 27.
The gas used for artificial ripening of green fruit is
- A.
Ethylene
- B.
Ethane
- C.
Carbon dioxide
- D.
Acetylene
Correct Answer
A. Ethylene -
- 28.
Zone refining is used for the purification of
- A.
Au
- B.
Ge
- C.
Ag
- D.
Cu
Correct Answer
B. Ge -
- 29.
The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is
- A.
Cineole
- B.
Engenol
- C.
Geraniol
- D.
Limonene
Correct Answer
A. Cineole -
- 30.
The molecule which has the highest percentage of ionic character among the following is
- A.
HI
- B.
HF
- C.
HCI
- D.
HBr
Correct Answer
B. HF -
- 31.
The high reactivity of fluorine is due to
- A.
Its high electro negativity
- B.
Small size of fluorine atom
- C.
Availability of d-orbitals
- D.
Strong F - F bond
Correct Answer
A. Its high electro negativity -
- 32.
The iron ore magnetite consists of
- A.
Fe2O3
- B.
Fe3OH4
- C.
FeCO3
- D.
3Fe2O3 .. 3H2O
Correct Answer
A. Fe2O3 -
- 33.
The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is
- A.
5x/36
- B.
5x
- C.
7.2 x
- D.
X/6
Correct Answer
A. 5x/36 -
- 34.
The major constituent of air is
- A.
Nitrogen
- B.
Carbon dioxide
- C.
Oxygen
- D.
Hydrogen
Correct Answer
A. Nitrogen -
- 35.
The main chemical constituent of clay is
- A.
Silicon oxide
- B.
Aluminium borosilicate
- C.
Zeolites
- D.
Aluminium silicate
Correct Answer
D. Aluminium silicate -
- 36.
The mineral containing both magnesium and calcium is
- A.
Magnesite
- B.
Calcite
- C.
Carnallite
- D.
Dolomite
Correct Answer
D. Dolomite -
- 37.
The metal does not give H2 on treatment with dilute HCL is
- A.
Zn
- B.
Fe
- C.
Ag
- D.
Ca
Correct Answer
C. Ag -
- 38.
The number of g-molecule of oxygen in 6.02 x 1024CO molecules is
- A.
1 gram of molecule
- B.
0.5 gram of molecule
- C.
5 gram of molecule
- D.
10 gram of molecule
Correct Answer
C. 5 gram of molecule -
- 39.
The most extensive, commercially useful source of thorium as monazite sand occurs in India at
- A.
Orissa coast
- B.
Travancore coast
- C.
West Bengal coast
- D.
Gujarat coast
Correct Answer
B. Travancore coast -
- 40.
The main active constituent of tea and coffee is
- A.
Nicotine
- B.
Chlorophyll
- C.
Caffeine
- D.
Aspirin
Correct Answer
C. Caffeine -
- 41.
The maximum number of isomers for an alkene with molecular formula C4H8 is
- A.
5
- B.
4
- C.
2
- D.
3
Correct Answer
B. 4 -
- 42.
The hardest form of carbon is
- A.
Coke
- B.
Graphite
- C.
Diamond
- D.
Charcoal
Correct Answer
C. Diamond -
- 43.
The most important ore of aluminium is
- A.
Bauxite
- B.
Magnetite
- C.
Haematite
- D.
Monazite
Correct Answer
A. Bauxite -
- 44.
The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of
- A.
An addition reaction
- B.
A condensation reaction
- C.
An oxidation reaction
- D.
An elimination reaction
Correct Answer
B. A condensation reaction -
- 45.
The number of electrons presents in H+ is
- A.
Zero
- B.
One
- C.
Two
- D.
Three
Correct Answer
A. Zero -
- 46.
The hottest part of the gas flame is known as
- A.
Luminous zone
- B.
Dark zone
- C.
Blue zone
- D.
Non-luminous zone
Correct Answer
D. Non-luminous zone -
- 47.
The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is
- A.
Carbon
- B.
Hydrogen
- C.
Oxygen
- D.
Nitrogen
Correct Answer
C. Oxygen -
- 48.
The isomerism which exists between CH3CHCI2 and CH2CI. CH2CI is
- A.
Chain isomerism
- B.
Functional group isomerism
- C.
Positional isomerism
- D.
Metamerism
Correct Answer
C. Positional isomerism -
- 49.
The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind?
- A.
1/6
- B.
1/3
- C.
1/8
- D.
1/4
Correct Answer
C. 1/8 -
- 50.
The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3
- A.
4
- B.
5
- C.
2
- D.
0
Correct Answer
A. 4 -
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
-
Current Version
-
Mar 21, 2022Quiz Edited by
ProProfs Editorial Team -
Sep 15, 2018Quiz Created by
Daily Updates
Back to top