1.

The volume of 50 g. of a substance is 20cm^(3). If the density of water is 1g//cm^(3), will the substance float or sink ?

Answer»

Solution :`"Density of SUBSTANCE"=("Mass of substance")/("Volume of substance")=CANCEL(50^(5))/cancel(20_(2))=-2.5g//cm^(3).`
The density of substance of is more than water so the substance SINKS in the water.


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