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
1.
Decane has how many hydrogen atoms?
A.
11
B.
22
C.
33
D.
44
Answer :
Answer & Solution
2.
Which among the following is used to generate light ,to weld metal?
A.
Ethylene
B.
Acetylene
C.
Glycol
D.
Oxalic acid
Answer :
Answer & Solution
3.
Chloroform can be used as
A.
Antimalarial
B.
Antibiotic
C.
Analgesic
D.
Anaesthetic
Answer :
Answer & Solution
4.
Isomer of ethyl alcohol is
A.
Diethyl ether
B.
Methylethyl ether
C.
Dimethyl
D.
Acetone
Answer :
Answer & Solution
5.
Alkenes were earlier known as _____
A.
Olefins
B.
Meloffines
C.
Paraffins
D.
Titoffins
Answer :
Answer & Solution
6.
What is used to prevent freezing of fuel in space craft?
A.
Benzene
B.
Glycol
C.
Ester
D.
Acetylene
Answer :
Answer & Solution
7.
The compound that least value for octane number is
A.
2, 2-dimethyl Hexane
B.
Iso-octane
C.
N-Heptane
D.
2-Ethyl Alcohol
Answer :
Answer & Solution
8.
Formalin is an aqueous solution of
A.
Methanal
B.
Ethanol
C.
Fructose
D.
Nitric acid
Answer :
Answer & Solution
9.
The Chemical formula of Urea is
A.
(NH)CO
B.
(NH2)2CO
C.
(NH)2CO2
D.
(NH)2CO
Answer :
Answer & Solution
10.
Pentane has ____ structure isomers.
A.
1
B.
2
C.
3
D.
4
Answer :
Answer & Solution
11.
What is wood spirit?
A.
Butyl Alcohol
B.
Propyl alohol
C.
Methyl alcohol
D.
Ethyl alcohol
Answer :
Answer & Solution
12.
The chief source of naphthalene is
A.
Charcoal
B.
Camphor
C.
Coaltar
D.
Diesel
Answer :
Answer & Solution
13.
Ethane gas has a slightly ___ taste?
A.
Salty
B.
Bitter
C.
Sweet
D.
Sour
Answer :
Answer & Solution
14.
Aromatic hydrocarbons contain at least ___ Benzene like ring in their molecules.
A.
1
B.
2
C.
3
D.
4
Answer :
Answer & Solution
15.
Fermentation of starch gives
A.
Methanol
B.
Methanal
C.
Ethanol
D.
Ethanal
Answer :
Answer & Solution
16.
Denatured spirit or denatured alcohol is mixed with
A.
Kerosene
B.
Pyridine
C.
Water
D.
Petrol
Answer :
Answer & Solution
17.
Which among the following is used in making liquors, medicines and as a fuel in aircrafts?
A.
Ethyl alcohol
B.
Methyl acohol
C.
Propyl alcohol
D.
Dimethyl alcohol
Answer :
Answer & Solution
18.
Carcinogenic chemical cause
A.
Cancer
B.
Diabetes
C.
Heart diseases B
D.
Asthma
Answer :
Answer & Solution
19.
_____ gets converted to phosgene, when exposed to sunlight.
A.
Benzene
B.
Propylene
C.
Chloroform
D.
Acetone
Answer :
Answer & Solution
20.
The process of conversion of sugar into Alcohol is known as
A.
Photosynthesis
B.
Excretion
C.
Fermentation
D.
Respiration
Answer :
Answer & Solution
© 2024-2025 Gov Exam Adda www.govexamadda.com || All Right Reserved.
Facebook
Twitter
LinkedIn
Instagram
