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Chemistry, 23.04.2020 19:23, kkmonsterhigh18
According to the law of conservation of mass, mass is neither created nor destroyed in any ordinary chemical reaction. Which of the following is a demonstration of this law? Group of answer choices a. When iron reacts with oxygen to form rust, the mass of the iron atoms increases. b. When carbon dioxide breaks down into carbon and oxygen, the number of atoms always remains the same. c. When sodium and chlorine combine to make salt, some of the sodium is always lost. d. When hydrogen and oxygen combine to make water, oxygen atoms are converted to hydrogen atoms.
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