AQA · Chemistry · 8462

GCSE Chemistry: Test for hydrogen

Chemical analysis · AQA GCSE Chemistry (8462), specification point 4.8.2.1. Cards are generated from the exam board's own specification for "Test for hydrogen", and every card links back to the page it came from. Specification © AQA — used with attribution.

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  1. What is the laboratory test for hydrogen gas?

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    Hold a burning splint at the open end of a test tube of the gas; hydrogen burns rapidly with a pop sound.

  2. What is the positive result of the burning splint test for hydrogen?

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    The gas burns rapidly with a (squeaky) pop sound.

  3. Where should the burning splint be held when testing for hydrogen?

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    At the open end of the test tube containing the gas.

  4. Hydrogen burns rapidly with a ? sound.

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    pop

  5. The test for hydrogen uses a ? splint held at the open end of a test tube of the gas.

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    burning

  6. Which gas burns with a squeaky pop when a burning splint is applied?

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    Hydrogen.

  7. Should the splint be burning or just glowing in the test for hydrogen?

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    Burning (lit) — a glowing splint is used for the oxygen test, not hydrogen.

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