i. Arrange the following metals in the order of increasing reactivity.
ii. Hence state which of them can be extracted by electrolysis.
iii. Why is zinc said to be amphoteric.
Solution:
i. Au, Sn, Zn, Mg, Ca, Na
ii. Na, Ca, Mg
iii. Zn is amphoteric because it reacts/forms an oxide which can react with acid and alkalis to form stable salts.
Veterinary medicine is the branch of medicine that deals with the prevention, diagnosis, and treatment…
Anthropology is the scientific study of human beings and their cultures. It encompasses a wide…
Sociology is the scientific study of human society, culture, and behavior. It examines the social…
Social Work is a profession dedicated to helping individuals, families, and communities to cope with…
Religious studies is an academic discipline that explores the beliefs, practices, and history of various…
Public administration is the field of study and practice that focuses on the organization and…