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Question-1
The outermost electrons in halogens are:
(A)
7
(B)
8
(C)
6
(D)
5
Question-2
The element which is in solid state is:
(A)
Bromine
(B)
Fluorine
(C)
Iodine
(D)
Chlorine
Question-3
The strongest oxidizing agents are:
(A)
Chlorine
(B)
Fluorine
(C)
Bromine
(D)
Iodine
Question-4
The organic solvent used to colour halogens.
(A)
CFCs
(B)
Dichloro methane
(C)
Cyclohexane
(D)
Methane
Question-5
The greenish yellow gas which is poisonous is:
(A)
Chlorine
(B)
Bromine
(C)
Iodine
(D)
Fluorine
Question-6
Chlorine acid is:
(A)
HCl
(B)
HClO
(C)
HClO
2
(D)
HO
2
Cl
Question-7
The halogen which cause thyroid problem.
(A)
Bromine
(B)
Fluorine
(C)
Chlorine
(D)
Iodine
Question-8
The oxidation number of chlorine in CaCl
2
is:
(A)
-2
(B)
-3
(C)
+1
(D)
-1
Question-9
The number of outer shell electrons in halogens are:
(A)
7
(B)
8
(C)
1
(D)
3
Question-10
An organic chemical made using chlorine which is used in refrigerants in:
(A)
Chloro ethane
(B)
Ethyl bromide
(C)
Chloro fluoro carbons
(D)
Chloroform
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Cambridge Advanced Grade 12
IGCSE
Practice in Related Chapters
Planet Earth
Atomic Structure
Group VII Elements and their Compounds
Halogenoalkanes
Basic Concepts in Organic Chemistry
Alcohols
Hydrocarbons: Alkenes
Hydrocarbons: Fuels
Reaction Rates
Enthalpy Changes
Equilibria
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