Which of the following events fail to follow the law of conservation of matter? Select the correct answer below A) Burning wood for a fire
B) Freezing water into ice cubes
C) The decomposition of MgCl, into Mg and Cl
D) None of these

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.