729ChemistryMedium
Which of the following produces black spots when it comes in contact with organic substances such as skin and cellulose?
AK2MnO4
BCuSO4
CAgNO3
DCH3COOH
Correct answer
C. AgNO3
Explanation
AgNO3 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.