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The change in volume of a gas with chang...

The change in volume of a gas with change in temperature is plotted on a graph, as shown in he figure. Calculate the ratio of density at `50 ^(@)C and 100 ^(@)C`

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Volume at `50 ^(@)C = 20 " "cm^(3)`
Volume at `100 ^(@)C =30" "cm^(3)`
Density = "mass"/"volume"
Ratio of density `30/20 = 3/2 = 3 : 2`
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