Open QuestionWhich best explains why making a pancake from batter is an example of a chemical change?800views
Open QuestionWhere are chlorofluorocarbons found? A. Coolants B. The atmosphere C. Solvents D. All of the above650views
Open QuestionWhen substances go through chemical changes, which of the following will always happen?578views
Open QuestionWhen baking soda and vinegar react, the surface bubbles. What does this most likely indicate?854views
Open QuestionWhich property of physical changes explains why matter is conserved in a physical change?1178views
Open QuestionIf there are 8 g of a substance before a physical change, how much will there be afterwards?501views1rank