The law of conservation of mass states that in a chemical reaction, the total mass of reactants is equal to the total mass of products. ... Because atoms are only rearranged in a chemical reaction, there must be the same number of sodium atoms and chlorine atoms in both the reactants and products.
Answer: (I added a few extra just for fun)
1. Rusting of iron
2. Digestion of food
3. Reaction between salts and acids
4. Boiling an egg
5. Electroplating a metal
I cant see what your asking
Answer:
Permanent hardness (mineral content) is generally difficult to remove by boiling. If this occurs, it is usually caused by the presence of calcium sulfate/calcium chloride and/or magnesium sulfate/magnesium chloride in the water, which do not precipitate out as the temperature increases
Explanation:
plz mark me brainlist
