MCQEasy1 mark
1
Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)
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. Which observation(s) made by Rita is/are correct?
Topic: Practical tests and observations
Previous-year question practice database
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Pick an option and check your answer. The full worked answer is below either way.
Answer
Exam answer
(d) Both 2 and 4.
Explanation
Iron and zinc liberate H₂ with dilute HCl; copper does not, and magnesium does.
In words
Both 2 and 4.
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