8.1 Alloys - Set 1 Quiz

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Difficulty Level: Medium

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The following statements are the objectives of making alloys except

(A)		To improve the appearance of the material

(B)		To prevent corrosion

(C)		To decrease the melting point

(D)		To increase its hardness

Difficulty Level: Medium

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The surface of a piece of iron and stainless steel is cleaned using sandpaper.

Then, both pieces of metals are immersed in a beaker of distilled water separately for a week.

What are the observations for both of the metal pieces?

Difficulty Level: Easy

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What are the components in bronze?

I.		Zinc

II.		Copper

III.		Iron

IV.		Tin

Difficulty Level: Medium

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What is the meaning of malleability?

(A)		The ability of a material, especially metal, to be tapped into different shapes without returning to the original shape; or rupture

(B)		The ability to change the shape of metal into wire

(C)		The ability of a liquid to absorb into another material

(D)		The ability of a metal to resist corrosion

Difficulty Level: Medium