Rapid Revision For School Students

Join Us
Chemistry - Chemical Reactions of Metals (AQA)
Some metals, like gold, don't seem to react with acids at all.

Chemistry - Chemical Reactions of Metals (AQA)

One topic studied in GCSE Science is the chemistry of limestone and other building materials. This is the last of seven quizzes on that particular subject and it looks specifically at some of the various chemical reactions involving metals.

In your Chemistry lessons you will have looked at the periodic table. The majority of chemical elements on the periodic table are metals. They are arranged in groups that have similar chemical properties. Some of the metals are highly reactive; you have probably seen the video of the reaction between caesium and water - BOOM! But luckily for us, not all metals have quite so violent reactions and they don't explode when in contact with water!

Steel (apart from stainless steel and a few other special steel alloys) is a metal that reacts chemically with water, but only when oxygen is present. That is because it is made from iron which is a moderately reactive element. Steel therefore needs to be protected from contact with water by coating it with things like paint or plastic.

Many metals react with strong acids like hydrochloric, sulfuric and nitric acids. You will have seen this many times in the school laboratory. The more reactive ones effervesce (fizz) and, as they dissolve, the acid gets hotter because it is an exothermic chemical reaction. With weaker acids like citric acid or vinegar, the reaction is much slower and less heat is released. There are some metals that don't seem to react with acids at all - gold and silver for example.

You will also have seen in your Chemistry lessons that many metals will burn - magnesium is probably the one that you think of first. If the metal is ground up into a fine powder or made into thin wires, even the common metals you meet like iron and aluminium will also burn.

The chemical reactions of metals often influence how they are used. Jewellery is made from gold, silver and platinum because they are unreactive and will stay nice and shiny. Aluminium reacts quickly with oxygen in the atmosphere forming an aluminium oxide layer on the surface. This is impermeable and protects the aluminium from corroding any further. This particular chemical reaction is very useful as it means that we can use aluminium for things like greenhouse frames and door frames.

Which of the following metals is displaced from its ore by using carbon?
Gold and iron are lower than carbon in the reactivity series but gold occurs native rather than as an ore
If you drop a piece of cleaned magnesium ribbon into a solution of silver nitrate, the magnesium becomes coated with a grey substance. What is the explanation for this?
Magnesium is more reactive than silver and displaces the silver
Magnesium is less reactive than silver and displaces the silver
The magnesium reacts with the nitrate and is coated in magnesium nitrate
Silver in silver nitrate is actually more reactive than magnesuim ribbon so the magnesium corrodes
The grey substance is silver which is deposited on the surface of the magnesium ribbon
What would you see if you added potassium to water?
An explosion
The metal fizzes and burns with a purple flame.
The metal fizzes, forms a molten ball and moves around the surface of the water
The metal fizzes and moves around but doesn't melt
Potassium is the most reactive of the 3 group I metals that are allowed to be used in schools. The reaction gives out so much heat that the hydrogen gas given off during the reaction bursts into flame
Which of the following would not be produced when lithium carbonate reacts with nitric acid?
Lithium nitrate
Carbon dioxide
Metal carbonates react with strong acids to form carbon dioxide, water and a salt
Which of the following combinations of chemicals is likely to be the most exothermic (gives out the most energy) when mixed together?
Iron and aluminium oxide
Magnesium and aluminium oxide
Zinc and copper sulfate solution
Magnesium and silver nitrate solution
You are looking for the combination of metal and metal salt in solution that are the furthest apart in the reactivity series
One way of producing copper would be to add which of the following metals to copper sulfate solution?
You would need to use a metal that is more reactive than copper. For the exam, you need to learn the reactivity series by heart
Why are ionic compounds formed when a metal reacts with a non-metal?
One or more electrons are transferred from the metal to the non-metal
One or more electrons are transferred from the non-metal to the metal
All of the electrons are transferred from the metal to the non-metal
They share a pair of electrons
The easier an electron can be removed from a metal, the more reactive it is
What would you see if you added lithium to water?
An explosion
The metal fizzes and burns with a purple flame
The metal fizzes, forms a molten ball and moves around the surface of the water
The metal fizzes and moves around but doesn't melt
Although heat is given out, the lithium does not reach its melting point. You need to know what happens when you add group I metals to water off by heart for the exam
What would be the salt produced in the reaction of iron and hydrochloric acid?
Iron hydrochloride
Iron chloride
Chloro iron
Iron chlorate
Hydrochloric acid produces salts called chlorides when it reacts with a metal
Which of the following reactions does not produce hydrogen gas?
Silver and citric acid
Zinc and hydrochloric acid
Magnesium and nitric acid
Iron filings and sulfuric acid
Silver is low in the reactivity series and citric acid is a weak acid
You can find more about this topic by visiting BBC Bitesize - Metals and alloys - AQA

Author:  Kev Woodward

© Copyright 2016-2023 - Education Quizzes
TJS - Web Design Lincolnshire

Valid HTML5

We use cookies to make your experience of our website better.

To comply with the new e-Privacy directive, we need to ask for your consent - I agree - No thanks - Find out more