|
Title: Which of the following is a physical change? Post by: MannyD on Feb 9, 2017 Which of the following is a physical change?
A) Carbon combines with oxygen to form carbon dioxide. B) Ice melts at 0°C. C) A red substance is decomposed by heat to form mercury and oxygen. D) Water is decomposed by electricity into hydrogen and oxygen. Title: Re: Which of the following is a physical change? Post by: BarryO on Feb 9, 2017 Content hidden
|