Unit 5_MCQ Revision Test

Unit 5_MCQ Revision Test

8th Grade

86 Qs

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Unit 5_MCQ Revision Test

Unit 5_MCQ Revision Test

Assessment

Quiz

Science

8th Grade

Practice Problem

Medium

Created by

Jake Villagonzalo

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86 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

What does the reactivity series show?

The density of metals

The melting points of metals

The relative reactivity of metals with oxygen, water, and acids

The boiling points of metals

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Which of the following metals is the most reactive?

Iron (Fe)

Gold (Au)

Potassium (K)

Zinc (Zn)

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Which of the following metals is the least reactive?

Magnesium (Mg)

Zinc (Zn)

Copper (Cu)

Gold (Au)

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Why are highly reactive metals like potassium and sodium stored in oil?

To keep them shiny

To prevent them from reacting with air and water

To make them dissolve easily

To increase their reactivity

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Which statement best describes the reactivity series of metals?

A list of metals arranged according to their ability to conduct electricity

A list of metals arranged in order of their reactivity with oxygen, water, and acids

A list of metals arranged based on their density

A list of metals arranged by their melting points

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following metals would displace zinc from zinc sulfate solution?

Iron (Fe)

Copper (Cu)

Magnesium (Mg)

Silver (Ag)

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What will happen if a piece of zinc is placed in a solution of copper sulfate?

No reaction will occur

Zinc will replace copper, forming zinc sulfate and copper metal

Copper will replace zinc, forming copper sulfate and zinc metal

Zinc and copper will combine to form an alloy

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