Lesson 5.8.2.1
5.8.2.1 Test for hydrogen Quiz: AQA Combined Science, Unit 15
20 questions
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Lesson 5.8.2.1, Test for hydrogen: 20 multiple choice questions for the AQA GCSE Combined Science (8464), Unit 15: Chemical analysis, written with Revision Ninja.
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The 20 questions
-
What equipment is used in the chemical test for hydrogen gas?
- Limewater
- Glowing splint
- Damp litmus paper
- Burning splint
-
What sound does hydrogen make when tested with a burning splint?
- Deep rumble
- Fizzing hiss
- Loud whistle
- Squeaky pop
-
A positive hydrogen test with a burning splint gives:
- Relighting
- Milky limewater
- A pop sound
- Bleached litmus
-
Which gas gives a pop with a lit splint?
- Hydrogen
- Chlorine
- Oxygen
- Carbon dioxide
-
A gas from zinc and acid makes a lit splint pop. The gas is:
- Chlorine
- Hydrogen
- Carbon dioxide
- Oxygen
-
What happens when a glowing splint is placed into hydrogen gas?
- Extinguishes
- Relights
- Sparkles brightly
- Turns green
-
Why does hydrogen produce a pop sound during the gas test?
- Slow condensation
- Rapid combustion
- Phase change
- Endothermic cooling
-
Where must the burning splint be held during the hydrogen test?
- Base of tube
- Open tube end
- Inside bung
- Under water
-
Burning hydrogen in oxygen forms:
- Carbon dioxide
- Chlorine
- Water
- Oxygen
-
The balanced equation for hydrogen burning in oxygen is:
- 2H2 + O2 gives 2H2O
- H2 + O gives H2O
- H2 + O2 gives H2O
- 2H2 + 2O2 gives H2O
-
Which gas is confirmed by a squeaky pop test result?
- Chlorine
- Oxygen
- Hydrogen
- Carbon dioxide
-
A gas gives a squeaky pop with a lit splint. What is it?
- Oxygen
- Air
- Nitrogen
- Hydrogen
-
A lit splint gives no pop in a gas sample. What does this rule out?
- Oxygen
- Carbon dioxide
- Hydrogen
- Chlorine
-
Hydrogen is a flammable gas, so the test must use:
- Limewater
- A glowing splint
- Litmus paper
- A burning splint
-
What causes the characteristic pop sound in the hydrogen test?
- Burning with air
- Absorbing heat
- Boiling water
- Reacting with glass
-
Which test is used for hydrogen gas?
- Burning splint
- Damp litmus
- Glowing splint
- Limewater test
-
What sound does hydrogen make with a lit splint?
- Pop sound
- Squeaky click
- Loud bang
- Hissing sound
-
Why is a small test volume used for hydrogen?
- Avoid large explosion
- Speed up reaction
- Lower the temperature
- Conserve gas supply
-
The pop test for hydrogen is best described as a:
- Qualitative test
- Quantitative titration
- Chromatographic separation
- Gravimetric analysis
-
What equipment is used to test for hydrogen?
- Litmus paper
- Limewater
- Glowing splint
- Lit splint
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