Exam-style question
Try this first
For Conservation of mass and balanced chemical equations, which option best supports this Unit 4.3 objective: State that the law of conservation of mass means no atoms are lost or made during a chemical reaction?.
- A.It shows the conservation of mass.
- B.It has unequal numbers of atoms on each side.
- C.It only includes reactants.
- D.It is always a single arrow reaction.
Answer and explanation
Attempt the question first, then reveal the model answer and explanation.
Common mistake
No common mistake is linked to this question yet.