Short answerEasy1 mark
4(a)
Identify the gas evolved and give the chemical test in each of the following cases:
Dilute hydrochloric acid reacts with iron (II) sulphide.
Topic: Practical tests and observations
Previous-year question practice database
Answer
Exam answer
H₂S; it blackens moist lead acetate paper.
More from Practical Work
Rita added dilute hydrochloric acid to four metals. She recorded her observations in the table given below. While noting her observations she made some errors.
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