8G Corrosion Quick Quiz

Last updated 8 months ago

20 questions

1

Which of the following is not a property of most metals?

solid

brittle

strong

malleable

Which of the following statements is true?

Copper is used as a roof covering because it conducts heat well.

Copper is used as a roof covering because it changes to a green colour.

Copper is used as a roof covering because it is malleable.

Copper is used as a roof covering because it is a good conductor of electricity.

The product formed when calcium reacts with fluorine is:

calcium fluoride.

fluorine calcide.

calcium chlorine.

calcium fluorate.

Which of the following best describes a catalyst?

A catalyst is a reactant in a chemical reaction.

A catalyst is produced in a chemical reaction.

A catalyst speeds up a chemical reaction.

A catalyst causes a different product to be made in a chemical reaction.

Which of the following metals is so reactive it is stored under oil?

aluminium

copper

magnesium

sodium

Complete the word equation : calcium + water ->

calcium oxide + oxygen

calcium sulfate + hydrogen

calcium + oxygen

calcium hydroxide + hydrogen

The test for hydrogen gas is that it:

relights a glowing splint.

turns limewater milky.

burns with a squeaky pop.

turns pH indicator purple.

The products of the reaction of iron and hydrochloric acid are:

iron sulfate and hydrogen.

hydrogen and iron chloride.

iron chloride and iron oxide.

iron oxide and sulfuric acid.

Look at these diagrams showing some metals in acid. Choose the correct order of reactivity for metals X, Y and Z (most reactive first).

Z, X, Y

Y, Z, X

X, Y, Z

Z, Y, X

Magnesium and potassium both burn in
oxygen. Zinc reacts with oxygen but does
not burn. Potassium burns when added to
water. Magnesium and zinc react with
water but do not burn. What is the order of
reactivity of these metals (most reactive
first)?
Which of the following is the correct order of reactivity with acids (most reactive first)?

sodium, magnesium, iron, copper

copper, iron, sodium, magnesium

magnesium, sodium, iron, copper

sodium, iron, copper, magnesium

Which of these pictures shows the particles in a solid, pure metal?

A

B

C

D

Which of the following best describes an alloy?

a pure metal

a mixture of compounds

a metal with one or more other elements mixed in

compound of a metal with a non-metal

A small amount of tin is added to lead. Compared to lead the melting point of the mixture will be:

unchanged.

no longer one exact temperature.

will become the same as tin.

the same as the boiling point.

Compared to the pure metals that they contain, alloys:

are stronger.

are weaker.

have the same strength.

are insulators.

Name the salt made in the below reaction

Zinc + sulfuric acid --> _________ + hydrogen

sulfate

zinc sulfate

zinc sulfuric 

zinc chloride 

Aluminium oxide is Al2O3. This means that
for every 2 aluminium atoms there are:

2 oxygen atoms 

2 oxide atoms

3 oxygen atoms

3 oxide atoms

Painting stops iron rusting because the
paint:

is a catalyst for rusting 

stops the iron coming into contact with air and water 

reacts with the air instead of iron

dries up any moisture in the environment 

When scratched to remove its surface,
which of the following metals will react
most quickly with the air?

aluminium 

copper 

lead 

tin

1

Give on difference in the particle structure of an alloy compared to a pure metal

2

Explain why alloys are harder than pure metals

Which of the following is not a property of most metals?

solid

brittle

strong

malleable

Which of the following statements is true?

Copper is used as a roof covering because it conducts heat well.

Copper is used as a roof covering because it changes to a green colour.

Copper is used as a roof covering because it is malleable.

Copper is used as a roof covering because it is a good conductor of electricity.

The product formed when calcium reacts with fluorine is:

calcium fluoride.

fluorine calcide.

calcium chlorine.

calcium fluorate.

Which of the following best describes a catalyst?

A catalyst is a reactant in a chemical reaction.

A catalyst is produced in a chemical reaction.

A catalyst speeds up a chemical reaction.

A catalyst causes a different product to be made in a chemical reaction.

Which of the following metals is so reactive it is stored under oil?

aluminium

copper

magnesium

sodium

Complete the word equation : calcium + water ->

calcium oxide + oxygen

calcium sulfate + hydrogen

calcium + oxygen

calcium hydroxide + hydrogen

The test for hydrogen gas is that it:

relights a glowing splint.

turns limewater milky.

burns with a squeaky pop.

turns pH indicator purple.

The products of the reaction of iron and hydrochloric acid are:

iron sulfate and hydrogen.

hydrogen and iron chloride.

iron chloride and iron oxide.

iron oxide and sulfuric acid.

Look at these diagrams showing some metals in acid. Choose the correct order of reactivity for metals X, Y and Z (most reactive first).

Z, X, Y

Y, Z, X

X, Y, Z

Z, Y, X

Magnesium and potassium both burn in 
oxygen. Zinc reacts with oxygen but does 
not burn. Potassium burns when added to 
water. Magnesium and zinc react with 
water but do not burn. What is the order of 
reactivity of these metals (most reactive 
first)? 
Which of the following is the correct order of reactivity with acids (most reactive first)?

sodium, magnesium, iron, copper

copper, iron, sodium, magnesium

magnesium, sodium, iron, copper

sodium, iron, copper, magnesium

Which of these pictures shows the particles in a solid, pure metal?

A

B

C

D

Which of the following best describes an alloy?

a pure metal

a mixture of compounds

a metal with one or more other elements mixed in

compound of a metal with a non-metal

A small amount of tin is added to lead. Compared to lead the melting point of the mixture will be:

unchanged.

no longer one exact temperature.

will become the same as tin.

the same as the boiling point.

Compared to the pure metals that they contain, alloys:

are stronger.

are weaker.

have the same strength.

are insulators.

Name the salt made in the below reaction

Zinc + sulfuric acid -->  _________ + hydrogen 

sulfate

zinc sulfate

zinc sulfuric 

zinc chloride 

Aluminium oxide is Al2O3. This means that 
for every 2 aluminium atoms there are: 

2 oxygen atoms 

2 oxide atoms

3 oxygen atoms

3 oxide atoms

Painting stops iron rusting because the 
paint: 

is a catalyst for rusting 

stops the iron coming into contact with air and water 

reacts with the air instead of iron

dries up any moisture in the environment 

When scratched to remove its surface, 
which of the following metals will react 
most quickly with the air? 

aluminium 

copper 

lead 

tin

8G Corrosion Quick Quiz

8G Corrosion Quick Quiz

Give on difference in the particle structure of an alloy compared to a pure metal

Which of the following is not a property of most metals?

Which of the following statements is true?

The product formed when calcium reacts with fluorine is:

Which of the following best describes a catalyst?

Which of the following metals is so reactive it is stored under oil?

Complete the word equation : calcium + water ->

The test for hydrogen gas is that it:

The products of the reaction of iron and hydrochloric acid are:

Look at these diagrams showing some metals in acid. Choose the correct order of reactivity for metals X, Y and Z (most reactive first).

Which of these pictures shows the particles in a solid, pure metal?

Which of the following best describes an alloy?

A small amount of tin is added to lead. Compared to lead the melting point of the mixture will be:

Compared to the pure metals that they contain, alloys:

Name the salt made in the below reactionZinc + sulfuric acid --> _________ + hydrogen

Aluminium oxide is Al2O3. This means that for every 2 aluminium atoms there are:

Painting stops iron rusting because the paint:

When scratched to remove its surface, which of the following metals will react most quickly with the air?

Give on difference in the particle structure of an alloy compared to a pure metal

Explain why alloys are harder than pure metals

Explain why alloys are harder than pure metals

Name the salt made in the below reaction

Zinc + sulfuric acid --> _________ + hydrogen

Aluminium oxide is Al2O3. This means that
for every 2 aluminium atoms there are:

Painting stops iron rusting because the
paint:

When scratched to remove its surface,
which of the following metals will react
most quickly with the air?