Read the list of substances. spoon, styrofoam cup, scissors, pencil which substances are likely to float in water?

Explanation:

Density is defined as the mass present in a unit volume of a substance.

Mathematically,       Density =

Since, density is proportional to mass. So, more is the mass of an object more will be its density and vice-versa.

It is known that density of water is 1 g/ml. And any substance that has more density than water will sink into water when added to it. Whereas a substance that has less density than water will float in water when added to it.

Out of the given options density of a styrofoam cup is the least.

Hence, we can conclude that styrofoam cup is likely to float in water.

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

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