Question detail
Which statement would earn credit for Recall that hydrogen burns with a squeaky pop.?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Identification of common gases
Question
- A. It gives a bright blue flame
- B. It turns limewater milky
- C. It produces a squeaky pop with a lighted splint
- D. It bleaches damp litmus paper
Answer
The correct answer is It produces a squeaky pop with a lighted splint. It matches hydrogen gas because the evidence is lighted splint and the expected result is squeaky pop.
Explanation
The correct option is It produces a squeaky pop with a lighted splint. The answer stays inside Identification of common gases by linking the observation to the conclusion instead of naming a substance without evidence. Other options are weaker when they confuse gas tests, flame colours, ion-test precipitates, chromatography evidence, or pure-substance/formulation wording.
Common mistake
Hydrogen Test Recall
Students often confuse the sound of hydrogen burning with a squeaky pop with other gas tests.
Focus on the specific characteristic of hydrogen, which is the distinct squeaky pop sound when ignited.
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