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The law of conservation of energy itself is not strictly correct since nuclear reactions change a small amount of matter into energy, if this is what you mean.
All changes, other than some nuclear reactions, must obey the Law of Conservation of Mass. Chemical reactions, physical changes, heating, cooling, and phase changes must obey the Law of Conservation of Mass.
Chemical reactions respect the law of mass conservation.
You think probable to the law of mass conservation.
Law of conservation of mass: total mass of Reactants AND Products stays UNCHANGED during ANY reaction (except nuclear reactions like fusions)
In nuclear changes.
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All chemical reactions obey the law of conservation of matter.
The law of Conservation of Mass states that in ordinary chemical reactions, mass can not be created or destroyed.
The law of conservation of mass applies to all chemical reactions with the exception of nuclear reactions. In nuclear reactions, mass is converted to energy to vice versa. Thus, the law of conservation of mass does not apply in these cases.
No due to the law of conservation of matter atoms can not be destroyed or created they are only rearranged if they burn. Note: nuclear reactions can create/destroy matter
While there are many more (somewhat more obscure) conservation laws throughout physics (like "Conservation of Lepton Number"), I believe the four you may be referring to are Conservation of Matter Conservation of Energy Conservation of Charge Conservation of Momentum NOTE that Conservation of Matter is not a true law (it is broken in many nuclear reactions). The other three are laws.