10 questions🇬🇧English
🔥 The Reactivity Series – Year 9
Chemistry · Year 9 (KS3) — practise the order of reactivity, displacement reactions and how metals are extracted
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Questions
Which of these metals is the most reactive?
Iron
Magnesium
Potassium
Copper
20s
Which gas is given off when a metal such as magnesium reacts with dilute hydrochloric acid?
Chlorine
Hydrogen
Carbon dioxide
Oxygen
20s
Why is gold found in the ground as the pure metal rather than as a compound?
It is very reactive
It is very unreactive
It has a very high melting point
It is very dense
20s
Magnesium is added to copper sulfate solution. What are the products?
Magnesium oxide and copper
Magnesium sulfate and hydrogen
Magnesium sulfate and copper
Copper sulfate and magnesium
30s
Which metal must be extracted from its ore by electrolysis instead of by heating with carbon?
Zinc
Lead
Iron
Aluminium
30s
Which list puts the metals in order from most reactive to least reactive?
Copper, zinc, magnesium, sodium
Magnesium, sodium, copper, zinc
Sodium, magnesium, zinc, copper
Sodium, zinc, magnesium, copper
30s
A small piece of sodium is dropped into cold water. What are the products?
Sodium hydroxide and oxygen
Sodium oxide and oxygen
Sodium hydroxide and hydrogen
Sodium chloride and hydrogen
30s
Metal X displaces copper from copper sulfate solution but does not displace iron from iron sulfate. Which metal could X be?
Magnesium
Zinc
Silver
Lead
30s
Which metal reacts with dilute hydrochloric acid but does not react with cold water?
Zinc
Calcium
Copper
Sodium
30s
In the reaction iron oxide + carbon → iron + carbon dioxide, which substance is reduced?
Carbon
Iron oxide
Carbon dioxide
Iron
30s