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Question 41
A
1,160kJmol-1 
B
1,180kJmol-1  
C
1,560kJmol-1 
D
1,600kJmol-1 
E
1,680kJmol-1 
Explanation.
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Correct Option:
E

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Question 42
A
Chemical, electrical  
B
mechanical, chemical  
C
heat, mechanical  
D
light, electrical  
E
light, heat  
Explanation.
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Correct Option:
A

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Question 43
A
both oxidation and reduction  
B
neither oxidation and reduction  
C
oxidation only  
D
reduction only  
E
neutralization  
Explanation.
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Correct Option:
A

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Question 44
A
Oxidant  
B
reductant  
C
oxidizing agent  
D
catalyst  
E
inhibitor  
Explanation.
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Correct Option:
B


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Question 46
A
Reaction between an acid and a base.  
B
Addition of concentrated acid to water.  
C
Dissolution of sodium metal in water.  
D
Thermal dissociation of ammonium chloride.  
Explanation.
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Correct Option:
C





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