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WorksheetsQuiz #2- Metallic Bonding and Electrochemistry
Total questions: 25
Worksheet time: 25mins
What is metallic bonding?
Atoms do not interact
Atoms lose electrons
Atoms gain electrons
Atoms share the same electrons
What is an example of a metal alloy?
Copper
Aluminium
Gold
Steel
Which of the following metals is known for being ductile?
Iron
Gold
Lead
Tin
What happens during the oxidation of a metal?
It gains electrons
It becomes a liquid
It loses electrons
It forms a gas
Which of the following metals is the least reactive?
Copper
Zinc
Aluminium
Magnesium
What is the main purpose of electroplating?
To increase melting points
To create alloys
To deposit a layer of metal
To extract metals from ores
What is the oxidation number of oxygen in most compounds?
-2
0
+1
-1
What is the process of removing gangue from ore called?
Refining
Oxidation
Mining
Electrolysis
What is the main component of stainless steel?
Zinc
Copper
Iron
Nickel
Which of the following metals does not displace hydrogen gas when reacts with dilute HCl or dilute H2SO4?
Lithium
Sodium
Magnesium
Copper
which of the following reaction would be possible ?
Zinc + Copper sulphate
Copper + Zinc sulphate
Silver + Zinc chloride
Lead + Iron nitrate
Which metal reacts fastest with acid?
Copper
Iron
Zinc
Magnesium
Will silver react with magnesium chloride solution?
yes
no
What is a property of metals that allows them to be hammered into thin sheets?
Transparency
Malleability
Brittleness
Ductility
What is the chemical symbol for the element Sodium?
Na
Su
Sn
So
What is the name of the process where a metal is coated with a layer of zinc to prevent corrosion?
corrosionization
galvanization
rustification
oxidization
Which metal is commonly used in electrical wiring due to its high conductivity?
Aluminum
Copper
Gold
Iron
What is the name of the process where a metal is gradually eaten away by chemical reactions with its environment?
Deterioration
Corrosion
Oxidation
Erosion
What is a redox reaction?
A reaction where both reactants get reduced.
A reaction where both reactants get oxidized.
A reaction that involves a transfer of electrons between reactants.
A reaction that involves the combustion of at least one reactant.
What is reduction?
It is the gain of electrons.
It is the loss of electrons.
It is the creation of electrons.
It is the destruction of electrons.
What is a galvanic (voltaic) cell?
It is a cell that destroys electrons on one side and creates electrons on the other side.
It is a cell that contains only one metal bar and one aqueous ion solution.
It is a type of battery that drives a redox reaction when electricity is applied.
It is a type of battery that generates an electrical current from redox reactions.
What is a half-reaction?
It is a reaction at equilibrium where half of the substances are reactants and half of the substances are products.
It is the reaction that occurs when the switch of a galvanic cell is open.
It shows EITHER the reduction component or the oxidation component of a redox reaction.
It shows BOTH the reduction and oxidation components of a redox reaction.
What is the oxidation number of carbon in H2CO3(aq)?
4-
2+
2-
4+
The technique that uses electricity to break apart molecules is called ___
electron reduction
hydrolysis
electrolysis
an N-type reaction
In which test tube would you expect the nail to rust the most?
A
B
C
D
