Module 2 : CORROSION

Module 2 : CORROSION

11th Grade - University

15 Qs

quiz-placeholder

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Module 2 : CORROSION

Module 2 : CORROSION

Assessment

Quiz

Chemistry

11th Grade - University

Medium

Created by

Raneesh Konnola

Used 55+ times

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15 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Rusting is a _____________ process.

Mechanical

Chemical

Physical

Thermal

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Rusting of iron is an example of

Dry corrosion

Chemical corrosion

Electrochemical corrosion

Galvanic corrosion

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Iron rust in the presence of:

Vacuum

Moisture

Oxygen

Moisture and Oxygen

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Chemical formula of RUST is

FeCO3

CUSO4.5H2O

Fe2O3. x H2O

CaCO3.2H2O

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the chemical nature of rust?

iron (II) oxide

Iron (III) chloride

iron (III) oxide

hydrated iron(III) oxide

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Rusting can be prevented by

Alloying

Tinning

Galvanizing

All of above

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

During rusting of iron, reaction occuring at cathode is

2 Fe (s)→2 Fe2+ + 4 e

O2(g) + 4 H+(aq) + 4 e ⎯→ 2 H2O (l )

2 Zn (s)→2 Zn2+ + 4 e

2 Cu (s)→2 Cu2+ + 4 e

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