10th Class
Science
Metals and Non-metals / धातु और अधातु
Question Bank
10th CBSE Science Metals and Non-metals
question_answer
A cleaned aluminium foil was placed in an aqueous solution
of zinc sulphate. When the aluminium foil was taken out of the zinc sulphate
solution after 15 minutes, its surface was found to be coated with a silvery
grey deposit. From the given observation, what can be concluded?