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Online Tests
Chemistry Fsc Part 1 Chapter 10 Online Test MCQs With Answers
Question # 1
In silver oxide battery, anode is made of.
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Zinc
Copper
Lead
Graphite
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Question # 2
Oxidation number of carbon in NaHCO
3
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+4
-6
+6
+2
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Question # 3
The best reducing agent is
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F
-1
CI
-1
Br
-1
I
-1
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Question # 4
The oxidation number of C in C12H22O11 is
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Zero
- 6
+ 6
12
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Question # 5
When an atom reacts chemically and loses one or more electrons it is.
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Decomposed
Reduced
Oxidized
Catalyzed
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Question # 6
According to classical concept, oxidation involves
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Addition of oxygen
Addition of electron
Removal of hydrogen
All are correct
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Question # 7
The cathodic reaction in the electrolysis of dil H2SO4, with pt electrode sis.
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Reduction
Oxidation
Both oxidation and reduction
Neither oxidation nor reduction
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Question # 8
If a strip of Cu metal is placed in a solution of FeSO
4
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Cu will be precipitated out
Fe is precipitated out
Cu and Fe both dissolve
No reaction takes place
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Question # 9
The over all positive value for the reaction potential predicts that process is energetically.
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Not feasible
Feasible
Impossible
No indication
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Question # 10
A single lead cell provides volts
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2
4
6
8
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Question # 11
The gain of electron is known as.
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Oxidation
Reduction
Dehydration
Dehydrogenation
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Question # 12
Which is not chargeable cell
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Lead accumulator
NiCAD cell
Fuel cell
Alkaline battery
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Question # 13
The voltage Nickel Cadmium cell is
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1 V
1.2 V
1.4 V
1.6 V
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Question # 14
A cell in which electric current is produced as a result of spontaneous redox reaction is called.
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Electrolytic cell
Galvanic cell
Half cell reaction
Down's cell
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Question # 15
In lead accumulator cathode is made up of.
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Pb
Pb coated with PbO2
PbSO4
Mixture of Pb and PbO2
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Question # 16
During the electrolysis of molten NaCI, the ion which is reduce is
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Question # 17
In which compound oxidation state of chlorine is +5
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NaCl
HOCl
NaClO3
NaClO2
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