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Q4301
#4301
Chemistry → Carbon and Its Compounds → Soaps, Detergents and Hydrogenation of Oils
·
Moderate
Which one of the following statements is NOT correct?
Add
Playbook: Carbon and Its Compounds
A
The molecules of soap are sodium or potassium salts of long chain fatty acids
B
The molecules of soap contain both hydrophobic and hydrophilic ends
C
Detergents are more effective than soaps in hard water
D
In micelles the ionic-end of the molecules is towards oil droplet while the other end faces outside
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[Q71 · Apr · 2025]
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Q4302
#4302
Chemistry → Atomic Structure and Periodic Classification → Atomic Number, Mass Number and Subatomic Particles
·
Moderate
Which one of the following statements is correct?
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Playbook: Atomic Structure and Periodic Classification
A
A neutron is formed by combination of an electron and a proton. Therefore, it is neutral
B
The mass of an electron is about 1/2000 times that of a proton
C
An isotope of cobalt is used in the treatment of goiter
D
J. J. Thomson proposed that the nucleus of an atom contains only neutrons
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[Q72 · Apr · 2025]
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Q4303
#4303
Chemistry → Atomic Structure and Periodic Classification → Atomic Models: Dalton, Rutherford, Bohr
·
Easy
Which one of the following particles in the nucleus of an atom was discovered by J. Chadwick?
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Playbook: Atomic Structure and Periodic Classification
A
Electron
B
Proton
C
Positron
D
Neutron
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[Q73 · Apr · 2025]
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Q4304
#4304
Chemistry → Atomic Structure and Periodic Classification → Atomic Models: Dalton, Rutherford, Bohr
·
Moderate
Which one of the following findings is NOT observed in Rutherford's Nuclear Model of Atom?
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Playbook: Atomic Structure and Periodic Classification
A
There is a neutral center in an atom called nucleus
B
Nearly all the mass of an atom resides in the nucleus
C
The electrons revolve around the nucleus in a circular path
D
The size of a nucleus is very small as compared to the size of atom
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[Q74 · Apr · 2025]
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Q4305
#4305
Chemistry → Atomic Structure and Periodic Classification → Periodic Trends, Valency and Atomicity
·
Moderate
Element X forms a chloride with the formula
XCl
2
\text{XCl}_2
XCl
2
, which is a solid with high melting point. X would most likely be in the same group of periodic table as
Add
Playbook: Atomic Structure and Periodic Classification
A
Na
B
Al
C
Mg
D
K
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[Q75 · Apr · 2025]
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Q4306
#4306
Chemistry → Acids, Bases and Salts → Acid-Base Theory: Concepts, Oxides and Electrolytes
·
Moderate
Which one of the following oxides is a neutral oxide?
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Playbook: Acids, Bases and Salts
A
CO
\text{CO}
CO
B
CO
2
\text{CO}_2
CO
2
C
Na
2
O
\text{Na}_2\text{O}
Na
2
O
D
MgO
\text{MgO}
MgO
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[Q76 · Apr · 2025]
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Q4307
#4307
Chemistry → Carbon and Its Compounds → Common Carbon Compounds and Pigments
·
Easy
Which one of the following is also known as Dry ice in its solid form?
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Playbook: Carbon and Its Compounds
A
SiO
2
\text{SiO}_2
SiO
2
B
CO
2
\text{CO}_2
CO
2
C
CaO
\text{CaO}
CaO
D
MgO
\text{MgO}
MgO
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[Q77 · Apr · 2025]
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Q4308
#4308
Chemistry → Acids, Bases and Salts → pH Scale and Common Substances
·
Easy
Which one of the following statements is NOT correct?
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Playbook: Acids, Bases and Salts
A
A scale measuring hydrogen ion concentration in a solution is called pH scale
B
The higher the hydrogen ion concentration in a solution, higher is its pH
C
We can measure pH generally from 0 to 14 on a pH scale
D
The 'p' in pH stands for 'potenz' in German meaning power
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[Q78 · Apr · 2025]
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Q4309
#4309
Chemistry → Mole Concept and Stoichiometry → Mole Concept, Avogadro's Law and Molar Calculations
·
Moderate
Which one of the following statements is NOT correct?
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Playbook: Mole Concept and Stoichiometry
A
Half mole of nitrogen gas is measured 11.2 liter at STP
B
17 gram of ammonia gas contains
6.022
×
10
23
6.022 \times 10^{23}
6.022
×
1
0
23
molecules at STP
C
22.4 litre of
CO
2
\text{CO}_2
CO
2
gas at STP contains 44 gram of molecules
D
4 gram of hydrogen gas contains
6.022
×
10
23
6.022 \times 10^{23}
6.022
×
1
0
23
molecules
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[Q79 · Apr · 2025]
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Q4310
#4310
Chemistry → Matter and Its States → Compounds, Mixtures and Solutions
·
Easy
Which one of the following statements about a compound is NOT correct?
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Playbook: Matter and Its States
A
A compound is a substance composed of two or more elements, chemically combined in a fixed proportion
B
Properties of a compound are different from its constituent elements
C
A compound is an impure substance
D
The constituents of a compound can be separated only by chemical or electrochemical reactions
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[Q80 · Apr · 2025]
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Q4311
#4311
Chemistry → Acids, Bases and Salts → Salts and Common Compounds
·
Moderate
Match List I with List II and select the answer using the code given below the Lists : A. Washing soda | 1.
CaOCl
2
\text{CaOCl}_2
CaOCl
2
B. Baking soda | 2.
NaHCO
3
\text{NaHCO}_3
NaHCO
3
C. Bleaching powder | 3.
Na
2
CO
3
⋅
10
H
2
O
\text{Na}_2\text{CO}_3\cdot10\text{H}_2\text{O}
Na
2
CO
3
⋅
10
H
2
O
D. Gypsum | 4.
CaSO
4
⋅
2
H
2
O
\text{CaSO}_4\cdot2\text{H}_2\text{O}
CaSO
4
⋅
2
H
2
O
Add
Playbook: Acids, Bases and Salts
A
A-4 B-2 C-1 D-3
B
A-4 B-1 C-2 D-3
C
A-3 B-1 C-2 D-4
D
A-3 B-2 C-1 D-4
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[Q81 · Apr · 2025]
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Q4312
#4312
Chemistry → Chemical Bonding → Bond Counting and Molecular Structure
·
Moderate
Which one of the following nitrogen oxides may dimerize?
Add
Playbook: Chemical Bonding
A
N
2
O
\text{N}_2\text{O}
N
2
O
B
NO
2
\text{NO}_2
NO
2
C
N
2
O
3
\text{N}_2\text{O}_3
N
2
O
3
D
N
2
O
5
\text{N}_2\text{O}_5
N
2
O
5
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[Q82 · Apr · 2025]
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Q4313
#4313
Chemistry → Chemical Reactions → Redox: Oxidation, Reduction and Reducing Agents
·
Moderate
Which one of the following statements regarding oxidation and reduction reactions is NOT correct?
Add
Playbook: Chemical Reactions
A
If a substance loses hydrogen during reaction, it is reduced
B
If a substance loses oxygen during reaction, it is reduced
C
If a substance gains hydrogen during reaction, it is reduced
D
If a substance gains oxygen during reaction, it is oxidized
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[Q83 · Apr · 2025]
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Q4314
#4314
Physics → Units, Measurement and Dimensions → Units and Dimensions
·
Easy
Match List I with List II and select the answer using the code given below the Lists : A. Temperature | 1. Kelvin B. Weight | 2. Kilogram C. Mass | 3. Pascal D. Pressure | 4. Newton
Add
Playbook: Units, Measurement and Dimensions
A
A-1 B-2 C-4 D-3
B
A-3 B-4 C-2 D-1
C
A-1 B-4 C-2 D-3
D
A-3 B-2 C-4 D-1
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[Q84 · Apr · 2025]
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Q4315
#4315
Chemistry → Acids, Bases and Salts → pH Scale and Common Substances
·
Easy
For acid rain, the pH of rain water should be less than
Add
Playbook: Acids, Bases and Salts
A
7.0
B
6.6
C
5.6
D
8.0
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[Q85 · Apr · 2025]
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Q4316
#4316
Geography → Earth in Space, Maps and Coordinates → Latitude, Longitude and Geographical Grid
·
Moderate
Consider the following lines of Longitude and Latitude : 1. Prime Meridian 2. Tropic of Cancer 3. Equator Which of the above lines is/are a Great Circle?
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Playbook: Earth in Space, Maps and Coordinates
A
1, 2 and 3
B
1 and 2 only
C
1 and 3 only
D
3 only
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[Q86 · Apr · 2025]
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Q4317
#4317
Geography → Earth's Structure, Landforms and Geological Time → Earth's Interior, Crust and Plate Tectonics
·
Hard
Which of the following is the correct ascending order of the given minerals in terms of their presence in the Earth's crust? 1. Amphibolite 2. Mica 3. Pyroxene Select the answer using the code given below:
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Playbook: Earth's Structure, Landforms and Geological Time
A
2, 3, 1
B
1, 2, 3
C
2, 1, 3
D
1, 3, 2
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[Q87 · Apr · 2025]
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Q4318
#4318
Geography → Earth's Structure, Landforms and Geological Time → Weathering and Denudation
·
Moderate
Which of the following is/are the applied forces in mechanical weathering process? 1. Gravitational force 2. Expansion force 3. Force due to water pressure Select the answer using the code given below:
Add
Playbook: Earth's Structure, Landforms and Geological Time
A
1 only
B
1 and 2 only
C
2 and 3 only
D
1, 2 and 3
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[Q88 · Apr · 2025]
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Q4319
#4319
Geography → Oceanography → Ocean Currents
·
Hard
Which of the following is/are cold ocean current/currents? 1. Alaska Current 2. North Atlantic Drift 3. West Wind Drift Select the answer using the code given below:
Add
Playbook: Oceanography
A
1 only
B
1 and 2
C
2 and 3
D
3 only
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[Q89 · Apr · 2025]
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Q4320
#4320
Geography → Climatology, Atmosphere and Weather → Insolation, Temperature and Solar Geometry
·
Moderate
Which one of the following latitudes will experience a minimum angle of the Sun's rays when it is Summer Solstice in the Northern Hemisphere?
Add
Playbook: Climatology, Atmosphere and Weather
A
Arctic Circle
B
Equator
C
Tropic of Cancer
D
Tropic of Capricorn
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[Q90 · Apr · 2025]
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Q4321
#4321
Geography → Climatology, Atmosphere and Weather → Atmospheric Pressure and Winds
·
Hard
Which of the following statements with reference to Coriolis force is/are correct? 1. Coriolis force acts perpendicular to the pressure gradient force 2. At the equator, the Coriolis force is zero and the wind blows perpendicular to the isobars Select the answer using the code given below:
Add
Playbook: Climatology, Atmosphere and Weather
A
1 only
B
2 only
C
Both 1 and 2
D
Neither 1 nor 2
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[Q91 · Apr · 2025]
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Q4322
#4322
Geography → Climatology, Atmosphere and Weather → Humidity, Condensation, Clouds and Precipitation
·
Hard
Which of the following statements with reference to Sleet is/are correct? 1. Sleet is frozen raindrops and refrozen melted snow-water 2. It occurs when a layer of air with the temperature below freezing point overlies a warm layer near the ground surface Select the answer using the code given below:
Add
Playbook: Climatology, Atmosphere and Weather
A
1 only
B
2 only
C
Both 1 and 2
D
Neither 1 nor 2
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[Q92 · Apr · 2025]
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Q4323
#4323
Geography → Climatology, Atmosphere and Weather → Climate Classification and Zones
·
Moderate
Humid Subtropical Climate is NOT experienced in which one among the following regions?
Add
Playbook: Climatology, Atmosphere and Weather
A
Coastal South Africa
B
East coast of Australia
C
South Japan
D
South Argentina
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[Q93 · Apr · 2025]
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Q4324
#4324
Geography → Indian Geography — Physical Features → Mountains, Plateaus and Plains of India
·
Easy
Mahendragiri, the highest peak of the Eastern Ghats, is located in which one of the following states?
Add
Playbook: Indian Geography — Physical Features
A
Andhra Pradesh
B
Odisha
C
Telangana
D
Tamil Nadu
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[Q94 · Apr · 2025]
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Q4325
#4325
Geography → Indian Geography — Physical Features → Forests and Natural Vegetation of India
·
Moderate
Temperate forests of South India, known as 'Sholas' are found in which of the following hills? 1. Anaimalai 2. Nilgiris 3. Palani Select the answer using the code given below:
Add
Playbook: Indian Geography — Physical Features
A
1 only
B
1 and 2 only
C
2 and 3 only
D
1, 2 and 3
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[Q95 · Apr · 2025]
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