Advertisements
Advertisements
प्रश्न
At what temperature is the density of water is maximum? State its value.
Advertisements
उत्तर
Density of water is maximum at 4°C. Its value is 1000 kgm-3.
APPEARS IN
संबंधित प्रश्न
Observe the following graph. Considering the change in volume of water as its temperature is raised from 0°C, discuss the difference in the behaviour of water and other substances. What is this behaviour of water called?

Describe an experiment to show that water has maximum density at 4°C. What important consequences follow this peculiar property of water? Discuss the importance of this phenomenon in nature.
Explain, why are soft drink bottles not completely filled?
A deep pond of water has its top layer frozen. What will be the likely temperature of water layer at the bottom of the pond?
The following figure shows a metal cylinder, containing boiling water. One half side A is polished and another half, B is painted black. Two thin metal sheets X and Y are painted black and have one rubber stopper fixed with wax on each sheet. These sheets are equidistant from the boiling water (container A, B) as shown in the diagram. What would you expect to happen after a few minutes? Give a reason for your answer.

Write scientific reason.
Placing a plastic bottle filled with water in the freezing compartment in the freezer can cause the bottle to explode.
Observe the following diagram and write the answers to the questions given below.

- Which process does the graph represent?
- What is the range of temperature responsible for the behaviour?
Write a short note.
Anomalous behaviour of water
