Open QuestionWhich best explains why making a pancake from batter is an example of a chemical change?692views
Open QuestionWhere are chlorofluorocarbons found? A. Coolants B. The atmosphere C. Solvents D. All of the above534views
Open QuestionWhen substances go through chemical changes, which of the following will always happen?519views
Open QuestionWhich process is a chemical change? Is it burning a match, boiling water, melting ice, or breaking glass?588views1rank
Open QuestionWhich property of physical changes explains why matter is conserved in a physical change?1042views
Open QuestionIf there are 8 g of a substance before a physical change, how much will there be afterwards?420views1rank