MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
General Knowledge
Chemistry
Quiz 2
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
Williamson's synthesis is widely used in the laboratory preparation of
Alcohols
Ethers
Aldehydes
Esters
Q.2
Cyanide poisoning causes death in seconds because
It denatures enzymes of the heart/muscle
It breaks the electron transport chain
It causes Lysis of red blood cells
It causes cardiac arrest
Q.3
Peroxyacetyl nitrate is a
Acidic dye
Plant hormone
Vitamin
Secondary pollutant
Q.4
What is used in storage batteries?
Copper
Tin
Lead
Zinc
Q.5
Haloarenes are more stable than haloalkanes due to
Resonance effect
Inductive effect
Hyper conjugative effect
All of them
Q.6
The unit of ionic product of water (Kw) is :
Mol
2
let
-1
Mol
2
let
-2
Mol
-1
let
-2
Mol
-1
let
-1
Q.7
The deterioration of a metal by an electrochemical process is commonly termed as
Erosion
Corrosion
Passivation
Abrasion
Q.8
Aqueous solution of which of the following is a good conductor of electricity
Ammonium acetate
Glucose
Ammonia
Acetic acid
Q.9
Which colour is produce by Arsenic during flame test?
Green
Red
Crimson
Blue
Q.10
PVC is obtained by the polymerisation of
Propane
Vinyl chloride
Styrene
Acetylene
Q.11
The polymerisation of which often following is used in manufacturing of polythene in industry ?
Methane
Styrene
Acetylene
Ethylene
Q.12
Which one of the following minerals is found in Monazite sand ?
Potassium
Uranium
Thorium
Sodium
Q.13
Ultra purification of a metal is done by :
Slugging
Zone melting
Smelting
Leaching
Q.14
German silver, an alloy, does not contain the metal
Nickel
Zinc
Copper
Silver
Q.15
Aluminium chloride is
Bronsted Lowry Acid
Arrhenius Acid
Lewis Acid
Lewis Base
Q.16
The cathode of a lead storage battery is made up of
Zinc
Lead
Lead oxide
Manganese dioxide
Q.17
Which of the following is the main compound of voter ink?
Silver nitrate
Ammonium Chloride
Silver Chloride
Ammonium Nitrate
Q.18
The heaviest naturally occurring element is:
Mercury
Polonium
Thorium
Uranium
Q.19
In which of the following ions , the colour is not due to d-d transition ?
[Ti(H
2
O)
6
]
3+
[CoF
6
]
3+
[CrO
4
]
2−
[Cu(NH
3
)
4
]
2+
Q.20
What is Zeolite?
Hydrated Aluminosilicate
Hydrated Calcium Sulphate
Dehydrated Aluminosilicate
Dehydrated Calcium Sulphate
Q.21
The depletion of Ozone layer is mainly due to
Volcanic eruptions
Aviation fuels
Radioactive rays
Chlorofluorocarbons
Q.22
The hydronium ion is
H
+
HO -
H2
+
H
3
O
+
Q.23
Electric bulbs are filled with :
Nitrogen
Carbon dioxide
Argon
Oxygen
Q.24
Which one is a sublime substance?
Table salt
Sugar
Iodine
Potassium Iodide
Q.25
Milk is a
Mixture
Element
Metal
None of these
Q.26
Mixture can be
Homogeneous
Heterogeneous
Both A and B
Pure substance
Q.27
Which one out of the following helps in burning ?
Oxygen
Carbon monoxide
Nitrogen
Carbon dioxide
Q.28
Which one element from below list is liquid at room temperature?
Zinc
Argon
Lead
Bromine
Q.29
Which one of the following metals is used to galvanise iron ?
Copper
Lead
Zinc
Mercury
Q.30
Mercury is a :
Solid metal
Liquid metal
Solid non-metal
Liquid non-metal
Q.31
The first organic compound synthesised in the laboratory was
Urea
Uric acid
Lactic acid
Glucose
Q.32
A subshell with l = 2 can take up
3 electron
5 electron
8 electron
10 electron
Q.33
Two electrons in an orbital are differentiated by which of the following ?
Magnetic quantum number
Spin quantum number
Principal quantum number
Azimuthal quantum number
Q.34
Among the following, carbonate ore of Zinc is
Zinc blende
Calamine
Sphalerite
Zincite
Q.35
The metal used for making aircrafts and rockets is
Lead
Aluminium
Nickel
Copper
Q.36
When cathode rays strike a target of high atomic weight, they give rise to
alpha-rays
beta and gamma rays
X-rays
Positive rays
Q.37
The common name of sodium bicarbonate is
Soda ash
Baking soda
Soda lime
Baking powder
Q.38
The compound that has the least value for octane number is :
2-methyl heptane
Iso-octane
2,2-dimethyl hexane
N-heptane
Q.39
Baryllium Sulphate is less soluble in water due to
High inflammable energy
Low Energy of dissociation
Low inflammable energy
Lonic band
Q.40
How many electrons can be accommodated in d-orbital?
3
6
8
10
Q.41
Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ?
Methylene blue
Methyl red
Phenolphthaline
Methyl orange
Q.42
Sodium vapour lamps glow with yellow colour. This is due to
sublimation of sodium to emit yellow colour
The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum
The low ionisation energy of sodium
Its ability to absorb all other colours except yellow
Q.43
Which one of the following forms of phosphorus is most reactive?
Black phosphorus
White phosphorus
Violet phosphorus
Red phosphorus
Q.44
The length of double bond is _______ than single bond.
Shorter
Longer
Of same lenght
None of the above
Q.45
Chile saltpeter is the common name of:
Sodium nitrate
Potassium nitrite
Potassium nitrate
Sodium nitrite
Q.46
Setting of plaster of paris involves
Dehydration process
Hydration to form other hydrates
Oxidation process
Reduction process
Q.47
The scientist who experimentally proved the existence of positron is
Fermi
Anderson
Bohr
Bethe
Q.48
Alum stops bleeding in minor cuts because of
Solvation
Emulsion
Dialysis
Coagulation
Q.49
The first metal used by man was
iron
copper
gold
bronze
Q.50
Which amidst the following is not a gem stone ?
Cat's-eye
Topaz
Opal
Pearl
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