Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
Secondary 1 | Science
One Answer Below
Anyone can contribute an answer, even non-tutors.
This is a science question. Can I have someone to guide me through this question please?
Substance I is more like an element.
At high temperature, there is a change of state only in Substance I. This is a physical change. No new product is produced.
(b)
Substance I is a conductor of electricity.
Substance II is an insulator of electricity.
See 1 Answer