More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
The main pollution leather tanneries in the waste water is due to the salt of:
Choose an answer
chromium
copper
calcium
lead
Previous
Skip
Next
Question # 2
Amorphous solids
Choose an answer
have sharp melting points
undergo clean cleavage when cut with knife
have perfect arrangement of atoms
can possesses small regions of orderly arrangements of atoms
Previous
Skip
Next
Question # 3
The polymers which can be re-softened again and again are called
Choose an answer
Thermoplastic
Thermosetting
Both a and b
None
Previous
Skip
Next
Question # 4
Each of the following compounds is effective as a refrigerant.
The release of which one of these cause the greatest depletion of the ozone layer?
Choose an answer
CC
2
/F
2
CH
3
OCH
3
CH
3
CHF
2
CH
3
CH
2
CH
3
Previous
Skip
Next
Question # 5
In beta elimination reaction
Choose an answer
carbon number changes
unsaturated compound is formed
hybridization. ofC remains same
pi bonds are decreased
Previous
Skip
Next
Question # 6
Which is the drived lipid?
Choose an answer
Common fats
Vitamin-D
Common oils
Spinolipids
Previous
Skip
Next
Question # 7
Which of the following is not a category of proteins based upon their function?
Choose an answer
genetic
Regulatory
nucleo
structural
Previous
Skip
Next
Question # 8
Coinage metals Cu, Ag and Au are the least reactive because they have
Choose an answer
Negative reduction potential
Negative oxidation potential
Positive reduction potential
Positive oxidation potential
Previous
Skip
Next
Question # 9
Cholesterol is an important precursor in the biosynthesis of
Choose an answer
Adrenal hormones
Sex hormones
Vitamin-D
All of these
Previous
Skip
Next
Question # 10
The beaker contains slurry of ice and water, the three thermometers Fahrenheit, Kelvin and centigrade placed init. the thermometers are represented as A, B and C respectively, On which thermometer the lowest reading will be?
Choose an answer
B
A
C
both A and B
Previous
Skip
Next
Question # 11
New3spapers can be recycled again and again by how many times?
Choose an answer
5
3
2
4
Previous
Skip
Next
Question # 12
I-Phenylethanol can be prepared by reaction of benzaldehyde with
Choose an answer
Methyl iodide an Magnesium
Methyl bromide
Methyl bromide and AIBr
3
C
2
H
5
l and Mg
Previous
Skip
Next
Question # 13
Which is the transition element among the following
Choose an answer
B
Al
Cu
Cs
Previous
Skip
Next
Question # 14
According to the periodic law, the chemical properties of the elements are periodic functions of their
Choose an answer
Density
Atomic number
Atomic mass
Mass number
Previous
Skip
Next
Question # 15
Ketones are reduced to
Choose an answer
Primary alcohol
Secondary alcohol
Tertiary alcohol
All of these
Previous
Skip
Next
Question # 16
Which is a mixture of low boiling hydrocarbon
Choose an answer
Natural gas
Petroleum
Wood
Graphite
Previous
Skip
Next
Question # 17
For spontaneity of a cell, which is correct?
Choose an answer
Δ
G = 0,
Δ
E = 0
Δ
G = -ve ,
Δ
E = 0
Δ
G = +ve ,
Δ
E = 0
Δ
G = -ve
Previous
Skip
Next
Question # 18
In water the most important oxidizing agent is dissolved molecular oxygen which ranges from
Choose an answer
2 - 4 ppm
4 - 6 ppm
2 - 5 ppm
4 - 8 ppm
Previous
Skip
Next
Question # 19
The orbital in Rutherford's model is
Choose an answer
Spiral
Circular
Both
None
Previous
Skip
Next
Question # 20
In the presence of copper electrodes the electrolysis of aqueous CuSO
4
produces at cathode
Choose an answer
H
2
gas
O
2
gas
SO
2
gas
Cu metal
Previous
Skip
Next
Question # 21
Metallic conduction is due to the
Choose an answer
Movement of electrons
Movement of ions
Both a and b
None of these
Previous
Skip
Next
Question # 22
Choose an answer
Condensation
Electrophilic substitution
Free radical substitution
Nucleophilic substitution
Previous
Skip
Next
Back