SD Science Grade 8 Practice Questions - South Dakota Science Assessment - Grade 8 Exam

What happens to the total mass of reactants during a chemical reaction in a closed container?

It remains equal to the total mass of the products. It increases because new atoms are created. It decreases because matter is converted entirely to energy. It changes unpredictably depending on temperature.

Correct Answer:

It remains equal to the total mass of the products.

Access more questions from this quiz

Continue to SD Science Grade 8 Practice Questions - South Dakota Science Assessment - Grade 8 Exam for more practice questions and the full quiz experience.

Access More Questions