Quiz On Oxidation & Reduction Reaction! thumbnail
Quiz On Oxidation & Reduction Reaction! thumbnail

Quiz On Oxidation & Reduction Reaction!

4th - Professional grade
Played 4 times
Private thumbnail
Private
Preview (20 questions)
1 Question
30 seconds
Q.

Oxidation is the loss of electrons by an atom, ion, or molecule, it is also known as ___________.


Oxidation

Reduction

De–electronation

2 Question
30 seconds
Q.

A zinc ion is formed due to oxidation.


True

False

3 Question
30 seconds
Q.

Bleaching action of chlorine is by _______.


Decomposition

Oxidation*

Hydrolysis

4 Question
30 seconds
Q.

The process of rusting iron is called ________.


Reduction

Galvanization

Corrosion

5 Question
30 seconds
Q.

Copper corrodes to produce a green color compound known as _________.


Femur

Patina

Oxidize 

6 Question
30 seconds
Q.

The formation of copper from copper iron is an example of a reduction.


True

False

7 Question
30 seconds
Q.

_________ is used as the oxidizing agent for the purification of water.


Nitrogen

Cation

Chlorine

8 Question
30 seconds
Q.

_________ powder is also known as chlorinated lime.


Anodic

Bleaching

Cathodic

9 Question
30 seconds
Q.

During rusting, iron combines with ________ in the presence of water.


Oxygen

Nitrogen

Metal

10 Question
30 seconds
Q.

A number that is assigned to each atom or ion in a compound that explains its degree of oxidation is called __________.


Oxidation state only

Oxidation number

Oxidation state and number

11 Question
30 seconds
Q.

The oxidation number for oxygen will always be ________.


2

-2

1

12 Question
30 seconds
Q.

The reaction in which oxidation and reduction take place at the same time is called __________.


Redox reaction

Oxidation reaction

Reduction reaction

13 Question
30 seconds
Q.

The addition of Hydrogen in a substance and the removal of oxygen from a substance is called _________.


Oxidation

Redox

Reduction

14 Question
30 seconds
Q.

Corrosion in metals is caused by _________.


Air

Moisture

Oxidation

15 Question
30 seconds
Q.

The reduction is a gain of ________.


Electrons

Protons

Neutrons

16 Question
30 seconds
Q.

Reduction results in an increase in the oxidation number.


True

False

17 Question
30 seconds
Q.

_________ corrosion takes place in confined liquid-filled slots.


Metal rod

Crevice

Electronation

18 Question
30 seconds
Q.

The gain of oxygen is known as _________.


Chlorination

Halogenation

Oxidation

19 Question
30 seconds
Q.

The total of the oxidation number in an element is __________.


Charge

Reduction

Oxidation

20 Question
30 seconds
Q.

________ oxygen is the most powerful oxidizing agent.


Electrode

Nascent

De-electronation