Question

consider the following two chemical changes
1,when a material made of iron rusts, its mass increase
2,when a match stick burns, its mass decreases
do you think that these two observations violate the law of conservation of mass? explain

Answer 1

Answer:

consider the following chemical changes,

i)When a material made of iron rusts, its mass increases.

ii)when match sick burns, its mass dcreases.

Do you think that these two violete the law of conservation of mass?explain.

Explanation:

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