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
Potassium crystallizes with a
Choose an answer
Orthogonal lattice
Cubic lattice
Triclinic
Ortho rhombic lattice
Previous
Skip
Next
Question # 2
Dipole-dipole forces are present between:
Choose an answer
non-polar molecules
polar molecules
both polar and non-polar
none pf above
Previous
Skip
Next
Question # 3
Starch is a polymer is of:
Choose an answer
sucrose
fructose
α-D-Glucose
lactose
Previous
Skip
Next
Question # 4
Air pollution causes
Choose an answer
Acid rain
O
3
depletion
Green House Effect
All
Previous
Skip
Next
Question # 5
Nitrogen percentage in atmosphere is:
Choose an answer
76%
77%
78%
79%
Previous
Skip
Next
Question # 6
The ionization energy
Choose an answer
generally increases from left to right in a period
increases from top to bottom in a group
does not change in a period
does not change in a group
Previous
Skip
Next
Question # 7
The proteins which give an amino acid and non-protein group on hydrolysis are known as
Choose an answer
Derived protein
Albumins
Conjugated simple protein
Conjugated protein
Previous
Skip
Next
Question # 8
Ozone is present in layer around earth:
Choose an answer
atmosphere
tropospher
stratosphere
thermosphere
Previous
Skip
Next
Question # 9
The hexagonal closed packing is associated with
Choose an answer
Ag, Cu, Au
Zn, Cd, Hg
Li, Na, K
NaCl, KBr
Previous
Skip
Next
Question # 10
The typical range of the H-bonding is:
Choose an answer
1-2 kj/mol of bonds
5-25 kj/mol of bonds
5-25 kj/mol of bonds
500 kj/mol of bonds
Previous
Skip
Next
Question # 11
Chloroethene, CH
2
= CHC/ is the monomer of PVC.
What are the C-C-C bond angles along the polymeric chain in PVC?
Choose an answer
They are all 109.5°
half are 109.5° and half are 120°
They are all 120°
They are all 180°
Previous
Skip
Next
Question # 12
Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by
Choose an answer
Schrodixger
Standinger
Lewis
Newton
Previous
Skip
Next
Question # 13
Consider the ground state of Cr atom (Z=24). The numbers of electrons with the azimuthal quantum numbers l = 1 and l = 2 are respectively
Choose an answer
12 and 4
16 and 5
16 and 4
12 and 5
Previous
Skip
Next
Question # 14
Chlorobenzene on heating with aqueous NH
3
under pressure in the presence of cuprous chloride gives
Choose an answer
Benzamide
Nitrobenzene
Aniline
Chloroaminobenzene
Previous
Skip
Next
Question # 15
Which formula represents the organic compound formed by the reaction of propanoic acid with methanol in the presence of concentrated sulphuric acid as a catalyst
Choose an answer
CH
3
CH
2
COCH
3
CH
3
CH
2
CO
2
CH
3
CH
3
CO
2
CH
2
CH
3
CH
3
CH
2
CH
2
CO
2
CH
3
Previous
Skip
Next
Question # 16
The hydroxyl derivatives of aromatic hydrocarbons which have the -OH group directly bonded to the ring C-atom are called
Choose an answer
Alcohols
Ketones
Esters
Phenols
Previous
Skip
Next
Question # 17
The degree of polarity of molecule is known as its
Choose an answer
Dipole moment
Moment arm
Bond energy
Ionic character
Previous
Skip
Next
Question # 18
An organic compound will decolorise dill acidified (aq) KMnO
4
on warming, but will not decolorise bromine water. What is the compound
Choose an answer
KMnO
4
Ethanol
Ethane
CH
3
CH
2
Cl
Previous
Skip
Next
Question # 19
Common names of aldehydes are given by corresponding:
Choose an answer
Ketone
Alcohol
Carboxylic acid
ester
Previous
Skip
Next
Question # 20
Which of the following is hypnotic?
Choose an answer
Acetaldehyde
Metaldehyde
Paraldehyde
None
Previous
Skip
Next
Question # 21
Most hazardous metal pollutant of automobile exhaust is
Choose an answer
Mercury
Lead
Cadmium
Copper
Previous
Skip
Next
Question # 22
Action of Zn with alkyl halides in the presence of an inert solvent forms higher alkanes. This reaction is known as
Choose an answer
Wurtz reaction
Frankland's reaction
Cannizaro reaction
Kalobe's reaction
Previous
Skip
Next
Back