Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
Water is used as a cooling agent.
Give reason for Sea water does not freeze at 0°C.
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?

Explain the following
Fishes survive in ponds even when the atmospheric temperature is well below 0°C.
Water is cooled from 4 °C to 0 °C. It will :
Draw a graph between volume and temperature, when 5 cm3 of ice at -10°C is heated to form water at +10°C.
Give reasons for the following:
Even when the water in the lakes is frozen, fish can survive.
While studying anomalous behaviour of water in Hope’s apparatus, the upper temperature of the thermometer : 0 °C : : lower temperature of the thermometer : _______
