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Questions of unit 7.1
1 / 27
suivant
Slide 1:
Diapositive
Scheikunde
Middelbare school
havo
Leerjaar 3
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Slide 1 - Diapositive
When do these substances conduct electricity?
solid and liquid state
liquid state
never
metal
salt
molecular substance
Slide 2 - Question de remorquage
How can you experimentally, so at macrolevel, determine whether a substance is a mixture or a pure substance? (Q1a)
Slide 3 - Carte mentale
Explain, at micro level, the difference between a mixture and a pure substance. (Q1b)
Slide 4 - Carte mentale
What is, at micro level, the difference between a compound and an element. (Q1c)
Slide 5 - Carte mentale
Which group of substances does zinc chloride (ZnCl2) belong to? (Q2a)
A
Metals
B
Salts
C
Molecular substances
Slide 6 - Quiz
Explain at macrolevel what you based your answer to a on (Q2b)
Slide 7 - Carte mentale
Meaning of this safety symbol (Q2c)
A
harmful
B
harmful for the environment
C
corrosive
D
poisonous
Slide 8 - Quiz
Meaning of this safety symbol (Q2c)
A
harmful
B
harmful for the environment
C
corrosive
D
poisonous
Slide 9 - Quiz
Meaning of this safety symbol (Q2c)
A
harmful
B
harmful for the environment
C
corrosive
D
poisonous
Slide 10 - Quiz
What is the purpose of H-sentences? (Q2d)
A
Hesitation
B
Harmful
C
Hazard
D
Health
Slide 11 - Quiz
What is the purpose of P-sentences? (Q2f)
A
Precision
B
Prevention
C
Purpose
D
Position
Slide 12 - Quiz
How can you tell if a substance is a metal, salt or molecular substance? (without experiment)
Slide 13 - Carte mentale
Water (H2O) is a
A
metal
B
salt
C
molecular substance
Slide 14 - Quiz
Potassium nitrate (KNO3) is a
A
metal
B
salt
C
molecular substance
Slide 15 - Quiz
Silver (Ag) is a
A
metal
B
salt
C
molecular substance
Slide 16 - Quiz
Paraffin (C24H50) is a
A
metal
B
salt
C
molecular substance
Slide 17 - Quiz
Iodine (I2) is a
A
metal
B
salt
C
molecular substance
Slide 18 - Quiz
Copper (Cu) is a
A
metal
B
salt
C
molecular substance
Slide 19 - Quiz
Table salt (NaCl) is a
A
metal
B
salt
C
molecular substance
Slide 20 - Quiz
Carbon dioxide (CO2) is a
A
metal
B
salt
C
molecular substance
Slide 21 - Quiz
Methane (CH4) is a
A
metal
B
salt
C
molecular substance
Slide 22 - Quiz
Tin (Sn) is a
A
metal
B
salt
C
molecular substance
Slide 23 - Quiz
Ethanol (C2H5OH) is a
A
metal
B
salt
C
molecular substance
Slide 24 - Quiz
Aluminium oxide (Al2O3) is a
A
metal
B
salt
C
molecular substance
Slide 25 - Quiz
Ammonia (NH3) is a
A
metal
B
salt
C
molecular substance
Slide 26 - Quiz
Barium (Ba) is a
A
metal
B
salt
C
molecular substance
Slide 27 - Quiz
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