5. State the law of conservation of mass. Give an example. Also write chemical equation.
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mass can neither be created nor destroyed is called law of conservation of mass.
example:—
Log + Fire —>Ashes + Smoke
30kg 1kg 28kg 3kg
Equation:—
CH4 + 2O2—>CO2 + 2H2O
16gm 64gm 44gm 80gm
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⏪Law of conservation of Mass
➡Mattter is neither created nor destroyed in chemical reactions.
➡In a chemical reactions total mass of reactant is equal to total mass of product.
Example- C+ O2 ➡Co2
⬇ ⬇ ⬇
12g 4g 16g
________. ___
⬇ = ⬇
16g. 16g
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