Question
In test 2, dilute hydrochloric acid was poured onto solid K. Rapid effervescence was seen and the gas released turned limewater milky.
[1 mark]
Describe / Explain
Write your answer
＋ More symbols (IGCSE / A-Level — all subjects)
Calculus
Functions
Greek
Relations & logic
Sets & numbers
Vectors, matrices & stats
Physics
Chemistry
Preview
Write with Apple Pencil on iPad (or finger / mouse) — the AI reads your writing and marks it.
🧭
Modelled on Cambridge 0620 · May/Jun 2025 · Paper 62 · Q3(e)
Guided Hint
— no answers, just a nudge
Thinking...
Marking your answer… please wait
🧭
Modelled on Cambridge 0620 · May/Jun 2025 · Paper 62 · Q3(e)
💬 AI coachThe full method first — then ask anything.