Chemistry WAEC

When zinc is added to AgNO3 solution, crystals of silver form on the zinc surface. This indicates that zinc is?

A. oxidised
B. reduced
C. decomposed
D. dissociated

Correct Answer: Option A
Explanation
Reaction: 2AgNO3+Zn→Zn(NO3)2+2Ag
The oxidation number of Zn in the reactant is 0, and the product is +2. Therefore, it is oxidized.

Sunday

Share
Published by
Sunday
Tags: Chemistry

Recent Posts

List of Universities Offering Veterinary Medicine in Nigeria

Veterinary medicine is the branch of medicine that deals with the prevention, diagnosis, and treatment…

2 months ago

List of Universities Offering Anthropology in Nigeria

Anthropology is the scientific study of human beings and their cultures. It encompasses a wide…

2 months ago

List of Universities Offering Sociology in Nigeria

Sociology is the scientific study of human society, culture, and behavior. It examines the social…

2 months ago

List of Universities Offering Social Work in Nigeria

Social Work is a profession dedicated to helping individuals, families, and communities to cope with…

2 months ago

List of Universities Offering Religious Studies in Nigeria

Religious studies is an academic discipline that explores the beliefs, practices, and history of various…

2 months ago

List of Universities Offering Public Administration in Nigeria

Public administration is the field of study and practice that focuses on the organization and…

2 months ago