Properties of Metals (Cambridge (CIE) O Level Chemistry): Multiple Choice Questions

Exam code: 5070

3 hours33 questions

1 mark

Most of the elements on the Periodic Table are metals. Metals can be distinguished from non-metals by differences in their physical properties.

Which row correctly describes a metal?

	Malleability	Heat & electrical conductivity
A	$\times$	$✓$
B	$✓$	$\times$
C	$✓$	$✓$
D	$\times$	$\times$

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1 mark

A student makes the following statement.

Every metal has a melting point above 500 °C.

The table shows the melting points of four metals.

Which metal shows that the student's statement is wrong?

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1 mark

The table shows four suggested reactions of a metal with cold water or with steam.

Which row gives the correct products?

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	melting point	gas produced when reacted with dilute hydrochloric acid	electrical conductivity
A	iron > magnesium	hydrogen	good
B	iron > magnesium	chlorine	good
C	iron = magnesium	hydrogen	poor
D	iron = magnesium	chlorine	poor

	electrical conductivity when solid	electrical conductivity when liquid	melting point ℃
A	low	low	-7
B	high	low	801
C	high	high	1535
D	low	low	3550

1	K acts as a catalyst and its oxide reacts with hydrochloric acid
2	L is a dull dark grey solid that conducts electricity and has a melting point of 3600 ^oC
3	M is easily hammered into shape and has a high density
4	N has a melting point of 113 ^oC and forms an acidic oxide

	Electrical conductivity (solid)	Electrical conductivity (molten)	Melting point / °C
1	$✓$	$✓$	2861
2	$✓$	$✓$	63
3	$\times$	$✓$	801

1	X conducts electricity when solid.
2	X has a low melting point.
3	X is malleable.