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 QuestionWhen baking soda and vinegar react, the surface bubbles. What does this most likely indicate?728views
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