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Oxidation and Reduction

Question 1

 

Rusting of Iron is an example of which of the following processes?

Question 2

 

The oxidation number of Oxygen is _____ in O2 and O3.

Question 3

 

Which of the following halogens has oxidation number -1 in all its compounds?

Question 4

 

The oxidation number of Ca in CaO is:

Question 5

 

Fats and oils become rancid and their smell and taste change when they get _______.

Question 6

 

What is the oxidation number of hydrogen in H2O?

Question 7

 

Oxidation is defined as loss of _____________.

Question 8

 

Which of the following statements is/are correct with respect to definition of oxidizing agent?

1. It undergoes reduction.

2. It is acceptor of electrons.

3. It undergoes oxidation.

4. It is donor of electrons.

Select correct answer using codes given below.

Question 9

 

Which of the following compounds is/are both reducing and oxidizing agents?

Question 10

 

Which of the following is not a reducing agent?

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