1.

Density of water is maximum at the temperature of ………………. .

Answer»

`32^(@)F`
`39.2^(@)F`
`42^(@)F`
`40^(@)F`

Solution :Thedensity of water is maximum at `4^(@)C`. LET F ne the corresponding temperature on the FAHRENHEIT scale. Then using the equation
`(F-32)/(9)=(C )/(5)=(4)/(5) rArr F=39.2^(@)F`


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