MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
General Knowledge
Chemistry
Quiz 11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Q.1
Persons working in cement plants and lime stone quarries are prone to disease like
Cancer
Asthma
Silicosis
Pneumoconiosis
Q.2
Hard water and soft water can be distinguished by using
Dilute acid
Ordinary soap
Detergent
Liquid soap
Q.3
Which method will be employed to test the hardness of water?
Boiling
Distillation
Formation of lather with soap
None of these
Q.4
Which one of the following has a maximum tendency to form M
3
ion ?
N
Bi
P
As
Q.5
A matured mammalian cell without nucleus is
Lymphocyte
Erythrocyte
Spermatozoan
Oocyte
Q.6
Silk fibre chemically is :
Carbohydrate
Fat
Protein
Cellulose
Q.7
How many electrons are there in a Hydrogen atom?
One
Two
Three
Four
Q.8
The third shell of an atom can have a maximum of ______ electrons.
13
15
18
21
Q.9
Rutherford’s scattering experiment proved the presence of
Atoms in all matter
Electrons in atoms
Neutrons in atoms
Nucleus in atoms
Q.10
Number of neutrons in an atom of hydrogen is
One
Zero
Two
Three
Q.11
Which gas does not form the part of atmosphere ?
Nitrogen
Helium
Chlorine
None of the above
Q.12
Which one of the following statement is correct ?
Ozone is found in the earth's atmosphere mostly between
5 and 10 km
10 and 20 km
20 and 50 km
50 and 100 km
Q.13
Which one is the lightest element in the periodic table
Hydrogen
Helium
Oxygen
Carbon
Q.14
Which one of the following is most electronegative?
Carbon
Silicon
Lead
Tin
Q.15
The source of energy that causes the least global warming is
Coal
Geothermal energy
Natural Gas
Petroleum
Q.16
Which of the following fuels causes minimum environmental pollution?
Diesel
Kerosene
Hydrogen
Coal
Q.17
Global warming may result in
Flood
Cyclone
Decrease in forest productivity
All of the above
Q.18
Depletion of ozone layer causes
Blood cancer
Lung cancer
Skin cancer
Breast cancer
Q.19
Which gas emitted by power stations causes acid rain?
Carbon dioxide
Sulphur dioxide
Helium
Nitrogen
Q.20
The purest form of water is
Tap water
Rain water
Ground water
Distilled water
Q.21
Which of the following metals can displace copper from copper sulphate solution ?
Platinum
Mercury
Iron
Gold
Q.22
Who developed the model of atomic structure ?
Bohr and Rutherford
Volta
Alfred Nobel
Faraday
Q.23
Nucleus of an atom consists of.
Proton
Neutron
Proton and Neutron
Electron, Proton and Neutron
Q.24
The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ?
6
12
18
Zero
Q.25
An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is
17
19
36
53
Q.26
Which one of the following is not a ‘green house gas’ ?
Chlorofluorocarbons
Methane
Carbon dioxide
Nitrogen
Q.27
Periodic table contains how many groups
16
17
18
19
Q.28
Biofertilizers convert nitrogen to ________ .
Nitrates
Ammonia
Nitrogenase
Amino acids
Q.29
Oxygen which is vital for life is a product of photosynthesis and comes from
Carbonates from soil
Carbon dioxide
Water
Oxides of mineral elements
Q.30
Nitrification is the biological process of converting
N
2
into nitrate
N
2
into nitrite
Ammonia into nitrite
Ammonia into N
2
Q.31
Which among the following is a covalent compound ?
Calcium chloride
Magnesium fluoride
Sodium chloride
Carbon tetrachloride
Q.32
The alkaloid naturally found in coffee, cocoa and cola nut is
Cocaine
Morphine
Tannin
Caffeine
Q.33
Which acid is used in Lead storage battery?
Sulphuric acid
Nitric acid
Hydrochloric acid
Acetic acid
Q.34
Which of the following is not a nucleon?
Proton
Neutron
Electron
Positron
Q.35
Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ?
Nitrous oxide
Carbon dioxide
Chlorofluorocarbon
Sulphur dioxide
Q.36
Which of the process is known as nitrification?
Reaction of Nitrogen Monoxide with oxygen to form nitric acid
Reaction of nitrogen dioxide with water to form nitric acid
Conversion of ammonia to nitrites
Conversion of nitrite to nitric oxide
Q.37
The natural resource, known as black gold is
Coal
Lead
Tin
Platinum
Q.38
The substance most commonly used as a food preservative is
Sodium carbonate
Tartaric acid
Acetic acid
Sodium salt of benzoic acid
Q.39
Green house effect is accelerated by
Deforestation
Rapid industrialization
Increased transportation activity
All of these
Q.40
For generation of biogas, the materials commonly used are
Animal wastes
Crop residues
Aquatic plants
Forest residues
Q.41
Total number of elements in the Periodic table
112
115
118
127
Q.42
Which of the following is a renewable source of energy ?
Coal
Geothermal power
Natural gas
Uranium
Q.43
The elements in the modern Periodic table are arranged according to their
Mass number
Neutron number
Atomic number
Atomic Weight
Q.44
Which one of the following is a greenhouse gas ?
Nitrogen
Helium
Carbon dioxide
Sulphur dioxide
Q.45
Acid rain is caused by the pollution of environment by
Carbon monoxide and Carbon dioxide
Ozone and Carbon dioxide
Nitrous oxide and Sulphur dioxide
Carbon dioxide and Nitrogen
Q.46
Besides CO
2
, the other green house gas is
CH
4
N
2
Ar
O
2
Q.47
Formic acid is produced by
White ants
Cockroaches
Red ants
Mosquitoes
Q.48
The acid used in lead storage cells is
Phosphoric acid
Hydrochloric acid
Nitric acid
Sulphuric acid
Q.49
Nitrogen fixation is a process of
Assimilation of nitrate
Utilisation of nitrogen gas
Conversion of organic nitrogen to proteins
Conversion of molecular nitrogen to ammonia
Q.50
Greenhouse effect is caused by
Nitrogen
Carbon dioxide
Carbon monoxide
Nitrogen dioxide
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page