Chemistry - Kerala PSC Mock Exam

This is an online mock test of 25 Questions. The Time allowed is 10 minutes. Please complete the test within the given time and prepare yourself to the real examination.

This Online PSC exam is intended for all the PSC exams including Last Grade, LD Clerk, Police Constable and Secretariat Assistant.

PSC Mock Test - Chemistry

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Question 1

What is oil of vitriol?

A	Sulphuric Acid
B	Sodium Chloride
C	Hydrochloric Acid
D	Nitric Acid

Question 2

What is manufactured using Bessemer process?

A	Steel
B	Gold
C	Zinc
D	Silver

Question 3

Minamata disease is due to:

A	Arsenic
B	Lead
C	Copper
D	Mercury

Question 4

Transition elements are elements of

A	p-block
B	s-block
C	d-block
D	f-block

Question 5

Which is the hardest material ever known in this universe?

A	Platinum
B	Graphite
C	Diamond
D	Granite

Question 6

The most adamant element in the earth crust is:

A	Nitrogen
B	Hydrogen
C	Oxygen
D	Iron

Question 7

The process used to produce Ammonia:

A	Haber process
B	Haber process
C	Creighton process
D	Chlor-alkali process

Question 8

The non – metal which exists in liquid state in room temperature

A	Mercury
B	Sodium
C	Potassium
D	Bromine

Question 9

Who discovered Oxygen?

A	Joseph Priestly
B	William Ramse
C	J. J. Thomson
D	Benjamin Franklin

Question 10

Which is the heaviest gas?

A	Hydrogen
B	Xenon
C	Helium
D	Radon

Question 11

The element with the highest boiling point:

A	Tungsten
B	Carbon
B	Lead
D	Platinum

Question 12

The element with the highest density:

A	Lithium
B	Aluminium
C	Osmium
D	Cobalt

Question 13

Which element is used for the vulcanisation of rubber?

A	Aluminium
B	Sulphur
C	Tin
D	Copper

Question 14

Atomic number of Carbon:

A	8
B	16
C	7
D	6

Question 15

The total number of natural elements:

A	118
B	108
C	96
D	92

Question 16

The pH value of water is

A	6.8
B	7.4
C	7
D	8.2

Question 17

The colour of hydrogen gas is:

A	Red
B	Colourless
C	Blue
D	Green

Question 18

Which is known as 'Chemical Sun'?

A	Manganese
B	Phosphorus
C	Calcium
D	Magnesium

Question 19

Ithai-Ithai disease is caused by:

A	Cadmium
B	Fluorine
C	Ammonia
D	Mercury

Question 20

The colour of chlorine vapour lamp is

A	Red
B	Blue
C	Yellow
D	Green

Question 21

Blue gold is:

A	Water
B	Copper Sulphate
B	Sulphuric Acid
D	Sodium Chloride

Question 22

The element present in haemoglobin:

A	Calcium
B	Iodine
C	Iron
D	Zinc

Question 23

The first element that was produced artificially:

A	Plutonium
B	Technetium
C	Radium
D	Titanium

Question 24

The best conductor of heat and electricity:

A	Aluminium
B	Gold
C	Platinum
D	Silver

Question 25

The symbol of Potassium is

A	P
B	Pa
C	Na
D	K

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