Advertisements
Advertisements
Question
Density of water is maximum at :
Options
0°C
100°C
4°C
15°C
Advertisements
Solution
Water shows anomalous behavior between 0 °C and 4 °C. It has lowest volume at 4 °C. Hence, its density will be maximum at 4 °C.
APPEARS IN
RELATED QUESTIONS
How does the anomalous expansion of water help aquatic organisms in cold climates?
Calculate the time required to heat 20 kg of water from 10°C to 35°C using an immersion heater rated 1000 W. Assume that 80% of the power input is used to heat the water. Specific heat capacity of water = 42000 J kg−1 K−1.
On a winter day the temperature of the tap water is 20°C whereas the room temperature is 5°C. Water is stored in a tank of capacity 0.5 m3 for household use. If it were possible to use the heat liberated by the water to lift a 10 kg mass vertically, how high can it be lifted as the water comes to the room temperature? Take g = 10 m s−2.
Why does a thick glass tumbler crack when very hot water is poured in it?
Observe the given graph and answer the following questions:

- Name the process represented in the figure.
- At what temperature does this process take place?
_______ apparatus is used to study the anomalous behaviour of water.
Write a short note.
Anomalous behaviour of water
A graph between the volume and temperature of water is shown. Explain the anomalous behaviour of water.

