Exam-style question
Try this first
For Identification of common gases, which option uses the correct Chemical analysis evidence for hydrogen gas?.
- A.A lighted splint gives a squeaky pop
- B.A glowing splint relights
- C.Limewater turns milky
- D.Damp blue litmus paper is bleached
Answer and explanation
Attempt the question first, then reveal the model answer and explanation.
Common mistake
No common mistake is linked to this question yet.