Open QuestionWhich best explains why making a pancake from batter is an example of a chemical change?782views
Open QuestionWhere are chlorofluorocarbons found? A. Coolants B. The atmosphere C. Solvents D. All of the above626views
Open QuestionWhen substances go through chemical changes, which of the following will always happen?567views
Open QuestionWhich process is a chemical change? Is it burning a match, boiling water, melting ice, or breaking glass?673views1rank
Open QuestionWhich property of physical changes explains why matter is conserved in a physical change?1151views
Open QuestionIf there are 8 g of a substance before a physical change, how much will there be afterwards?479views1rank