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प्रश्न
Fill the following blanks with suitable words :
In a chemical reaction, the sum of the masses of the reactants and the products remains unchanged. This is called ....................
उत्तर
In a chemical reaction, the sum of masses of the reactants and their products remain unchanged. This is called the law of conservation of mass.
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संबंधित प्रश्न
Give the formulae of the compounds formed from the following sets of elements :
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Copper [II] chloride
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There are ______ hydrogen atoms in water molecule.
Derive the chemical formula for calcium chloride.
