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chemistry
Loss of electrons is termed as ___
A. Reduction
Hydrogenation
Oxidation
None of these
Gain of electrons is characterized as ____
Oxidation
Reduction
Both
None
The gain of oxygen atoms is defined as ____
Oxidation
Reduction
Both
None
Burning is an example of ____
Oxidation
Reduction
Both
None
The main component of photographic film is ____
. AgCl
. AgF
AgC
AgBr
The apparent charge on an atom in a molecule is ____
Concentration
Polarizability
Oxidation state
All of these
Increase in oxidation number is termed as ____
Oxidation
Reduction
Both
None
Decrease in oxidation number is characterized as ___
Oxidation
Reduction
Both
None
Oxidation state of an element in a a free state is ___
A. Infinity
Zero
Any value
All the possibilities exist
Oxidation state of Na in NaCl is ___
+2
+6
+1
-1
oxidation number of group 1 metal hydrides is ___
+2
+6
+1
-1
Oxidation state of O in OF2 (Oxygen difluoride) is ___
+2
+6
+1
-1
Oxidizing agents itself gets ___
A. Oxidized
Reduced
Both
None
In NaCl the element Na is ___
A. Oxidizing agent
Reducing agent
Polarizing agent
All of these
An electrolyte becomes a conductor in _____ state
Aqueous solution
Molten
Both of these
None of these
Electrical energy is used by ____
A. Galvanic cell
Dry cell
Battery
Electrolytic cell
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