A burning fossil fuels that produces energy
<span>When two or more substances are mixed together but not chemically joined they are called as mixtures. Therefore, it is only a physical change taking place.
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Density is defined as the ratio of mass and volume. The formula of density is:
-(1)
Density of milk =
(given)
Volume of milk =
(given)
Substituting the values in formula (1):



Hence, the mass of the milk is
.