GOV EXAM ADDA
www.govexamadda.com
Home
Latest Jobs
Results
Admit Card
Answer Key
Syllabus
Contact Us
Home
Latest Jobs
Results
Admit Card
Answer Key
Syllabus
Contact Us
UPSC
NDA
CDS
Civil Services Examination
SSC
SSC CGL
SSC CHSL
SSC MTS
SSC GD
SSC CPO
SSC JE
SSC Stenographer
BANK
IBPS Clerk
IBPS PO
IBPS SO
IBPS RRB
SBI Clerk
SBI PO
SBI SO
RBI Grade B
RBI Assistant
RAILWAY
RPF SI
RPF Constable
RRB Group D
RRB JE
RRB ALP
RRB NTPC
INSURANCE
STATE
DEFENCE
POST OFFICE
SET-1
SET-2
SET-3
SET-4
SET-5
SET-6
SET-7
SET-8
SET-9
1.
Which of the following oxide is amphoteric in character?
A.
CO2
B.
SnO2
C.
CaO
D.
SiO2
Answer :
Answer & Solution
2.
Plaster of paris is made by the Partial dehydration of
A.
Gypsun Salt
B.
Epsom salt
C.
Green Vitriol
D.
Blue Vitriol
Answer :
Answer & Solution
3.
Chemically ‘Philosopher Wool’ is a
A.
Aluminium oxide
B.
Magnesium
C.
Zinc oxide
D.
Calcium oxide
Answer :
Answer & Solution
4.
Which of the oxide is neutral?
A.
SiO2
B.
ZnO
C.
CO
D.
SnO2
Answer :
Answer & Solution
5.
The material used in the manufacture of lead pencil is
A.
Lead
B.
Graphite
C.
Carbon
D.
Mica
Answer :
Answer & Solution
6.
Silver halides are used in photographic plate because they are
A.
Reduced by Light
B.
Totally coloureless
C.
Oxidized in air
D.
Soluble in Hyposolution
Answer :
Answer & Solution
7.
Which one of the following gases mixed oxygen in aqualungs used by divers for the breathing?
A.
Hydrogen
B.
Helium
C.
Methane
D.
Nitrogen
Answer :
Answer & Solution
8.
Percentage of Lead in lead pencils is
A.
0
B.
40
C.
31- 66
D.
80
Answer :
Answer & Solution
9.
The chemical name of Hypo commonly used in photography is
A.
Silver nitrate
B.
Sodium chloride
C.
Sodium thiosulphate
D.
Sodium nitrate
Answer :
Answer & Solution
10.
Silicone is a Polymer of
A.
Tetra alkyl silane
B.
Dialkyl dichloro silane
C.
Silicon Tatra Chloride
D.
Silane
Answer :
Answer & Solution
11.
Which one of the following is not a form of carbon?
A.
Soot
B.
Graphite
C.
Haematite
D.
Charcoal
Answer :
Answer & Solution
12.
Which silver salt is used for making film of photography?
A.
Silver sulphate
B.
Silver nitrate
C.
Silver bromide
D.
Silver chloride
Answer :
Answer & Solution
13.
Which metal is extracted from Sea water?
A.
Magnesium
B.
Beryllium
C.
Potassium
D.
Aluminium
Answer :
Answer & Solution
14.
Which one of the following element is an Example of noble gas?
A.
Chlorine
B.
Helium
C.
Nitrogen
D.
Hydrogen
Answer :
Answer & Solution
15.
Non-metal found in liquid State
A.
Fluorine
B.
Chlorine
C.
Bromine
D.
Nitrogen
Answer :
Answer & Solution
16.
Carbon monoxide is an inflammable gas which one of the following is also inflammable?
A.
Oxygen
B.
Hydrogen
C.
Helium
D.
Nitrogen
Answer :
Answer & Solution
17.
The Gas dissolved in water that makes it basic is?
A.
Sulphur dioxide
B.
Ammonia
C.
Hydrogen
D.
Carbon dioxide
Answer :
Answer & Solution
18.
Which one of the following is a biochemical sediment rock?
A.
Granite
B.
Slate
C.
Marble
D.
Coal
Answer :
Answer & Solution
19.
Which among the following halogens is the most reactive?
A.
Bromine
B.
Fluorine
C.
Iodine
D.
Chlorine
Answer :
Answer & Solution
20.
Oxygen is a
A.
Constituent of all gas
B.
Inflammable gas
C.
Reducing agent
D.
Combustion nourishing
Answer :
Answer & Solution
21.
Which of the following elements has the lowest melting point?
A.
Barium
B.
magnesium
C.
Xenon
D.
Iodine
Answer :
Answer & Solution
22.
Which of the following elements has the lowest melting point?
A.
Argon
B.
Titanium
C.
Zinc
D.
Sulphur
Answer :
Answer & Solution
23.
Which of the following elements has the lowest melting point?
A.
Manganese
B.
Oxygen
C.
Silver
D.
Gold
Answer :
Answer & Solution
24.
What is washing soda ?
A.
Aluminium sulphate
B.
Sodium carbonate
C.
Aluminium bicarbonate
D.
Sodium bicarbonate
Answer :
Answer & Solution
25.
Which of the following elements has the lowest melting point?
A.
Fluorine
B.
Sulphur
C.
Zinc
D.
Titanium
Answer :
Answer & Solution
© 2024-2025 Gov Exam Adda www.govexamadda.com || All Right Reserved.
Facebook
Twitter
LinkedIn
Instagram
