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PAKISTAN INTERNATIONAL SCHOOL
ENGLISH SECTION, RIYADH KSA
Grade & section: ____
Name: ______________________________
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CHEMISTRY
Qs-1
Chapter:5
Date:
PROPERTIES OF METERIALS
MULTIPLE CHOICE QUESTIONS
1-Which of the Following elements is most likely to behave as anon-metal?
a) Chlorine
b) Magnesium
c) Sodium
d) Iron
2-Which non-metal is a good conductor of electricity?
a) Sulfur
b) Phosphorus
c) Graphite
d) Iodine
3-Which of the following is a property of most metals?
a) Brittle
b) Shiny appearance
c) Poor conductor of heat
d) Breaks easily
4-Which property makes metals useful for making electrical wires?
a) They are soft
b) They are good insulators
c) They conduct electricity
d) They are brittle
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5-Which of these properties do alloys often have compared to pure metals??
a) Weaker and softer
b) Poor conductor of electricity
c) Stronger and less likely to rust
d) More reactive
Qs-2 Answer the following questions given below .
1- Why stainless steel better than iron for making kitchen utensils?
2- Which metal is used for making aircraft parts because it is light and strong?
3- What is an alloy? Give three different alloys
4- Pure iron is not strong enough to be useful. Explain how adding carbon to iron
changes its properties .
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QS-3 Sofia has mixed up this list of metals and non-metals .she needs to sort
them out.
MATERIALS
ANSWERS,
SILVER
Metal
OXYGEN
Non-Metal
CARBON
Metal
SULFUR
Metal
COPPER
Metal
CORRECT?
Qs-4 Draw a circle around each word that describes a property of metals
Malleable
has a dull surface
does not conduct electricity
makes a ringing sound when tapped
conducts heat
ductile
brittle
feels cold to touch
has a shiny surface
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Qs-5Write true or false to each of these statements.
a) All metals are magnetic
b) Solid nonmetals are brittle
c) All metals are solid
d) Metals conduct heat energy
e)Nonmetals are good conductors of electricity
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