Lesson 4.8.2.1
4.8.2.1 Test for hydrogen Quiz: AQA Chemistry, Unit 8
20 questions
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Lesson 4.8.2.1, Test for hydrogen: 20 multiple choice questions for the AQA GCSE Chemistry (8462), Unit 8: Chemical analysis, written with Revision Ninja.
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The 20 questions
-
What is the positive test result for hydrogen gas?
- Turns limewater milky
- Bleaches damp litmus
- Squeaky pop
- Relights splint
-
What sound does hydrogen make in the burning splint test?
- A pop
- A whistle
- A hiss
- Silence
-
Where must the burning splint be held during a hydrogen gas test?
- Inside the liquid
- Sealed stopper
- Open end
- Bottom of tube
-
How does hydrogen gas react when ignited with a burning splint?
- Extinguishes instantly
- Glows brightly
- Burns rapidly
- Fizzes slowly
-
Which gas gives a pop with a burning splint?
- Chlorine
- Hydrogen
- Oxygen
- Carbon dioxide
-
What kind of splint is used in the hydrogen test?
- A frozen splint
- A burning splint
- A wet splint
- A glowing splint
-
Where is the burning splint held during the test for hydrogen gas?
- At tube mouth
- At the bottom
- Inside the liquid
- Underneath the tube
-
Hydrogen burns when identified with a splint. What type of reaction is burning?
- Neutralisation
- Electrolysis
- Combustion
- Precipitation
-
A gas gives a squeaky pop with a burning splint. What is it?
- Carbon dioxide
- Oxygen
- Chlorine
- Hydrogen
-
What does a lack of a pop sound indicate when testing a tube of gas?
- Carbon dioxide present
- Hydrogen absent
- Hydrogen present
- Oxygen present
-
Which equipment is used to test for the presence of hydrogen gas?
- Glowing splint
- Burning splint
- Litmus paper
- Limewater
-
Where should a burning splint be held when testing for hydrogen gas?
- Underneath
- Deep inside
- Sealed cap
- Open end
-
Why does hydrogen produce a pop sound when exposed to a flame?
- Rapid oxidation
- Endothermic change
- Phase condensation
- Slow cooling
-
Which gas produces a pop sound when tested with a burning splint?
- Nitrogen
- Oxygen
- Hydrogen
- Chlorine
-
Which gas relights a glowing splint?
- Oxygen
- Hydrogen
- Chlorine
- Carbon dioxide
-
What is the positive observation for the hydrogen gas test?
- Turns milky
- Squeaky pop
- Bleaches damp paper
- Relights splint
-
Which type of splint is specifically required for the hydrogen gas test?
- Frozen splint
- Damp splint
- Glowing splint
- Burning splint
-
What scientific property allows gases to be identified by specific chemical tests?
- Neutral pH
- Universal density
- Identical masses
- Characteristic reactions
-
What causes the popping sound during a positive hydrogen test?
- Reaction with oxygen
- Glass expansion
- Reaction with nitrogen
- Pressure decrease
-
Which principal hazard must be considered when testing for hydrogen gas?
- High toxicity
- Radioactivity
- Strong acidity
- High flammability
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