Metals revision
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Slide 1 - Tekstslide
Slide 2 - Tekstslide
What do metals form when reacting with oxygen?
A
Salt
B
Hydrogen gas
C
Metal oxides
D
Metal hydroxides
Slide 3 - Quizvraag
Which metal reacts with oxygen to form rust?
A
Copper
B
Lead
C
Iron
D
Gold
Slide 4 - Quizvraag
What is the word equation for magnesium burning?
A
Magnesium + Carbon → Magnesium carbide
B
Magnesium + Oxygen → Magnesium oxide
C
Magnesium + Chlorine → Magnesium chloride
D
Magnesium + Water → Magnesium hydroxide
Slide 5 - Quizvraag
Slide 6 - Tekstslide
What gas is produced when metals react with acid?
A
Nitrogen gas
B
Hydrogen gas
C
Oxygen gas
D
Carbon dioxide
Slide 7 - Quizvraag
What is the word equation for zinc and hydrochloric acid?
A
Zinc + Acetic acid → Zinc acetate + Carbon dioxide
B
Zinc + Hydrochloric acid → Zinc chloride + Hydrogen
C
Zinc + Water → Zinc oxide + Hydrogen
D
Zinc + Sulfuric acid → Zinc sulfate + Oxygen
Slide 8 - Quizvraag
Which metal reacts vigorously with acids?
A
Copper
B
Lead
C
Sodium
D
Gold
Slide 9 - Quizvraag
What is formed when magnesium reacts with acid?
A
Magnesium chloride + Oxygen
B
Magnesium oxide + Water
C
Magnesium salt + Hydrogen gas
D
Magnesium carbonate + Carbon dioxide
Slide 10 - Quizvraag
Which acid commonly reacts with metals?
A
Citric acid
B
Hydrochloric acid
C
Acetic acid
D
Phosphoric acid
Slide 11 - Quizvraag
Slide 12 - Tekstslide
Which in the diagram metal is most reactive?
A
Magnesium
B
Calcium
C
Copper
D
Silver
Slide 13 - Quizvraag
From the image which is the least reactive metal?
A
Silver
B
Calcium
C
Iron
D
Magnesium
Slide 14 - Quizvraag
Which element reacts with water vigorously?
A
Copper
B
Iron
C
Calcium
D
Lead
Slide 15 - Quizvraag
Slide 16 - Tekstslide
Which metal can displace zinc?
A
Copper
B
Gold
C
Iron
D
Aluminum
Slide 17 - Quizvraag
What is the order of reactivity?
A
Iron, Zinc, Lead
B
Potassium, Sodium, Calcium
C
Gold, Silver, Copper
D
Bismuth, Tin, Mercury
Slide 18 - Quizvraag
Which metal is the most reactive?
A
Gold
B
Potassium
C
Silver
D
Copper
Slide 19 - Quizvraag
What is the least reactive metal?
A
Sodium
B
Magnesium
C
Calcium
D
Gold
Slide 20 - Quizvraag
Slide 21 - Tekstslide
What is produced when sodium reacts with water?
A
Sodium hydroxide
B
Hydrogen gas
C
Sodium chloride
D
Oxygen gas
Slide 22 - Quizvraag
Which metal does not react with water?
A
Sodium
B
Calcium
C
Gold
D
Potassium
Slide 23 - Quizvraag
What happens to lithium in water?
A
Floats and reacts slowly
B
Explodes instantly
C
Changes color
D
Sinks quickly
Slide 24 - Quizvraag
Which gas is released when metals react with water?
A
Oxygen
B
Nitrogen
C
Hydrogen
D
Helium
Slide 25 - Quizvraag
What is the reaction of magnesium with water?
A
No reaction
B
Forms magnesium oxide
C
Immediate explosion
D
Slow reaction at high temperatures
Slide 26 - Quizvraag
Slide 27 - Tekstslide
What is a displacement reaction?
A
A reaction that requires heat
B
A reaction where one element replaces another
C
A reaction that involves only synthesis
D
A reaction that produces gas only
Slide 28 - Quizvraag
Which of these is a displacement reaction?
A
Zn + CuSO4 → ZnSO4 + Cu
B
CaCO3 → CaO + CO2
C
2H2 + O2 → 2H2O
D
Na + Cl2 → 2NaCl
Slide 29 - Quizvraag
What usually drives a displacement reaction?
A
Reactivity of the elements involved
B
Volume of reactants
C
Temperature alone
D
Pressure changes
Slide 30 - Quizvraag
In a displacement reaction, what happens?
A
Elements combine to form a compound
B
All reactants are gases
C
No energy change occurs
D
More reactive element displaces less reactive
Slide 31 - Quizvraag
What can be a common product of displacement?
A
No products formed
B
Only gases
C
A new compound and an element
D
Only solids
Slide 32 - Quizvraag
Slide 33 - Tekstslide
Describe what is meant by the term displacement reaction.
Slide 34 - Open vraag
Write the word equation for the displacement reaction for sodium with copper chloride.
Slide 35 - Open vraag
State why gold will not displace iron from iron oxide.
Slide 36 - Open vraag
Describe the reactions of metals.
