7.3 Corrosion reactions

7.3 Corrosion reactions

7th Grade

21 Qs

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7.3 Corrosion reactions

7.3 Corrosion reactions

Assessment

Quiz

Chemistry

7th Grade

Medium

Created by

Mohamed M.Elhassan

Used 21+ times

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21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A corrosion reaction is a chemical reaction that happens .....................................

inside the metal

on the surface of a metal

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a useful chemical reaction mentioned in the text?

Corrosion

Cement industry

Making medicines

Making fertilisers

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name of the compound formed due to iron corrosion called?

Iron sulfide

Iron oxide

Iron carbonate

Hydrated Iron Oxide

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name of the compound formed due to copper corrosion called?

Hydrated Copper Oxide

Copper carbonate

Copper sulfide

Copper oxide

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rust in iron colour is .....................

Black

Green

Reddish brown

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Verdigris (patina) in copper colour is .....................

Black

Green

Reddish brown

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Patina in Silver colour is .....................

Black

Green

Reddish brown

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