McqsFactory McqsFactory.com is the devoted website for multiple choice questions answers in Pakistan. McqsFactory has been specially designed to cover this paper for various such examinations. The material of McqsFactory has been collected after going through different examination papers.

Which one of the following represents a chemical change?

A. Heating of mercuric oxide powder
B. Sublimation of iodine
C. Heating a platinum wire in a bunsen flame
D. Evaporation of alcohol

A. Heating of mercuric oxide powder

Submitted by: Toheed Ahmed