Open QuestionWhich best explains why making a pancake from batter is an example of a chemical change?789views
Open QuestionWhere are chlorofluorocarbons found? A. Coolants B. The atmosphere C. Solvents D. All of the above633views
Open QuestionWhen substances go through chemical changes, which of the following will always happen?572views
Open QuestionWhen baking soda and vinegar react, the surface bubbles. What does this most likely indicate?839views
Open QuestionWhich property of physical changes explains why matter is conserved in a physical change?1161views
Open QuestionIf there are 8 g of a substance before a physical change, how much will there be afterwards?486views1rank