Lesson T7.2.3
T7.2.3 Acidity of metal and non-metal oxides Quiz: KS3 Chemistry, Unit 7
20 questions
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Lesson T7.2.3, Acidity of metal and non-metal oxides: 20 multiple choice questions for the KS3 Chemistry (National Curriculum), Unit 7: The Periodic Table, written with Revision Ninja.
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The 20 questions
-
What type of oxide does a typical metal form?
- Acidic oxide
- Basic oxide
- Amphoteric oxide
- Neutral oxide
-
What type of oxide does a typical non-metal form?
- An acidic oxide
- A hydrogen compound
- A basic oxide
- A metal salt
-
What is the pH of water after carbon dioxide is dissolved in it?
- Above 7
- Below 7
- Exactly 7
- Exactly 14
-
Sulfur dioxide is released when sulfur burns. What type of oxide is it?
- Neutral
- Amphoteric metal
- Acidic
- Basic
-
What is formed when magnesium oxide is added to an acid?
- Hydrogen and salt
- Metal and oxygen
- Salt and water
- Water and gas
-
Which test result shows the presence of carbon dioxide gas?
- Limewater turns cloudy
- Glowing splint relights
- Squeaky pop test
- Bleaches damp litmus
-
Which gas relights a glowing splint?
- Hydrogen
- Oxygen
- Nitrogen
- Carbon dioxide
-
Which oxide is most likely to make a solution with pH above 7 when dissolved in water?
- Sulfur dioxide
- Sodium oxide
- Carbon dioxide
- Nitrogen dioxide
-
How can acidic oxides be neutralised?
- Using metals
- Using alkalis
- Using acids
- Using water only
-
Which pollutant is an acidic non-metal oxide?
- Sodium oxide
- Magnesium oxide
- Sulfur dioxide
- Calcium oxide
-
Why do sulfur and nitrogen oxides cause acid rain?
- They neutralise water
- They form solid salts
- They evaporate slowly
- They dissolve in rainwater
-
Which elements form oxides that dissolve in water to make alkalis?
- Non-metals
- Noble gases
- Halogens
- Metals
-
Which pH would a solution of sulfur trioxide in water most likely have?
- Below 7
- Exactly 7
- Exactly 14
- Above 7
-
What colour does universal indicator turn in a carbon dioxide solution?
- Orange
- Blue
- Purple
- Dark green
-
Which chemical property of metal oxides makes them useful for neutralising acidic soil?
- Insoluble
- Basic
- Neutral
- Acidic
-
What is formed when calcium oxide reacts with dilute hydrochloric acid?
- Calcium chloride and water
- Calcium hydroxide only
- Chlorine gas and water
- Calcium and hydrogen
-
What are the general chemical properties of non-metal oxides?
- Basic
- Acidic
- Metallic
- Neutral
-
Why is magnesium oxide classified as a basic oxide?
- It is a non-metal
- It reacts with acids
- It conducts electricity
- It dissolves in oil
-
Which oxide is formed when magnesium burns in air?
- Magnesium sulfate
- Magnesium chloride
- Magnesium nitrate
- Magnesium oxide
-
What is the typical pH value of rainwater containing dissolved carbon dioxide?
- Alkaline
- Slightly below 7
- Exactly 7
- Strongly acidic
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