Which of these is a chemical change?

Which one of the following is evidence that a physical change has occurred?

In a chemical reaction, the total mass of the reactants is

In a chemical equation, which side of the yeilds arrow would you find the reactants?

Which of the below answers is a property of a liquid?

Moving from a solid to a liquid ________________________.

The process of changing states from a liquid to a gas is called

A chemical change is different than a physical change because in a chemical change __________.

If there are 4 oxygen atoms on the reactant side of a chemical equation, then how many oxygen atoms will be on the products side after the chemical reaction has occurred?

The law of conservation of mass states

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